Name of the course Code: BEE31 Semester: 5 Electrical Machines I Lessons per week Number of credits: 9 Lectures, tutorials and L 3 hours; Tut 2 hours; laboratory work LW 2 hours Assoc. Prof. Ph. D. Dimitar Sotirov (FEE), tel.: 965 2127, email: dkso@tu-sofia.bg COURSE STATUS IN THE CURRICULUM: Compulsory course for all full-time and part-time undergraduate students at the Faculty of Electrical Engineering for Bachelor of Electrical Engineering degree in the. АIMS AND OBJECTIVES OF THE COURSE: The main aim of the course is to provide in-depth knowledge related to the problems of electromagnetic and electromechanical energy transformations in asynchronous machines and transformers. The principles of these transformations in asynchronous machines and transformers are studied. Basic topics in control of asynchronous machines are also covered. : Study of the design, structure of the magnetic field, parameters, theory and characteristics of asynchronous machines and transformers basically in stationary mode and shortly in transient processes. The electromagnetic, electromechanical and thermal processes related to the energy transformation are studied. Development and usage of typical mathematical models for analysis and research in asynchronous machines and transformers. PREREQUISITES: The knowledge acquired during the courses in Advanced mathematics, Physics, Mechanics, Material Science, Theory of electrical engineering, Mechanical structures and mechanisms, Electrical measurements, Electronics and Electrical materials. TEACHING METHODS: Lectures with application of demonstrative aids photo, slides and details of electrical machines. Seminar exercises involving solution and study of special problems with the help of Seminar manual. Laboratory exercises, help in specially equipped labs with the aid of Laboratory Exercise manuals. Students should write laboratory exercise reports for each laboratory exercise. METHOD OF ASSESSMENT: Written exam at the end of semester (term) 5 providing 70% of the final score; assessment of the seminar exercises providing 15% of the final score and assessment of the laboratory exercises providing 15% of the final score. BIBLIOGRAPHY: 1. Ангелов А., Д. Димитров. Електрически машини, ДИ Техника, ч. I, 1976, ч. II, 1988. 2. Димитров Д., И. Ваклев, Д. Сотиров, М. Стоянов. Ръководство за изпитване на електрически машини. ДИ Техника, 1988. 3. Ваклев И., Г. Божилов. Ръководство за семинарни упражнения по електрически машини. 1994. 4. Копылов И. П. Электрические машины, Высшая школа; Логос, Москва, 2000, ISBN 5-06-003841-6 (Высшая школа); ISBN 5-94010-009-0 (Логос).
Name of the course: Electrical Apparatus I Lectures, tutorials, laboratory work and course project. Code: BEE32 Semester: 5 L 3 hours; LW 2 hours; Tut-1hour Number of credits: 8 LECTURERS: Assoc. Prof. DSc Iliana Marinova (FEE) tel.: 965 3873, email: iliana@tu-sofia.bg Prof. DSc Ivan Yatchev (FEE) tel.: 965 3873, email: yatchev@tu-sofia.bg COURSE STATUS IN THE CURRICULUM: Compulsory for the undergraduate students of specialty of Electrical Engineering - BEng programme of the Faculty of Electrical Engineering. AIMS AND OBJECTIVES OF THE COURSE: The aim of the course is to give the knowledge to the students for the main systems and phenomena of the electrical apparatus as well as their constructions with respect to their selection, support and maintenance as well as the methods for design, constructing and testing of electrical apparatus. : The main topics concern: thermal processes, electrodynamics forces, magnetic circuit, theoretical models for analysis and investigations of electromagnetic systems. Principles of operation, functions and construction of different types of electrical apparatus. Methods for design, constructing and testing of electrical apparatus. Electromagnets, actuators and etc. Control electrical apparatus, electrical apparatus for distribution and protection, actuators. PREREQUISITES: Mathematics, Physics, Theoretical Electrical Engineering, Electrical Measurements, Electrotechnical Materials. TEACHING METHODS: Lectures, tutorials solving the different problems using the manual, laboratory works using the equipments for investigation of the fields, processes and phenomena of the electrical apparatus and manual. Protocols showing the results from investigations and analysis are checked by the lecturer. In the process of teaching, the knowledge obtained from lectures is made concrete and profound through tutorials and preparing individual course projects. METHOD OF ASSESSMENT: Written examination by forr main questions and one problem with taken into account the individual results from the laboratory works and course works. BIBLIOGRAPHY: 1. Александров А. Електрически апарати, ч. I, Електромагнитни и топлинни проблеми, Херон Прес, София, 2002, 337 p., ISBN 954-580-117-4. 2. Александров А. и др. Ръководство за семинарни упражнения по електрически апарати. София, 2000, 224 p. 3. Писарев А. и др. Ръководство за лабораторни упражнения по електрически апарати. Техника, София, 1976, 113 p.
Name of the course High Voltage Technique Type of teaching Lectures and laboratory work Number BEE33 Semester: 5 L 2 hours; LW - 2 hours Number of credits: 4 Assoc. Prof. Ph.D. V.Kolev (FЕЕ), tel.:965 2551, email: vkolev@tu-sofia.bg COURSE STATUS IN THE CURRICULUM: Mandatory for the student s specialty Еlectrical engineering for obtaining the bachelor s degree. AIMS AND OBJECTIVES OF THE COURSE: The aim of the course is to make students acquainted with the general problems of the High Voltage Technique. The study of these problems is necessary for the special courses concerning generation, transmission and distribution of electrical energy. : In this course are studied: breakdown of gaseous insulation, breakdown of liquid and solid insulation, lightning phenomena, high voltage transient analysis, overvoltages, surge protection, measurement of high voltages, high voltage generators for testing, insulation co-ordination PREREQUISITES: A prior knowledge of basic electrical engineering theory and electric power system analysis has been considered as a pre-requisite. TEACHING METHODS: Lectures, using media projector, laboratory, protocol preparation and defence. METHOD OF ASSESSMENT: Written exam at the end of the 5-th term (70%), laboratories (20%), preparation of protocol (10%).. BIBLIOGRAPHY: Toshev P., High Voltage Technique, Sofia, 1980; 2. Georgiev M., High Voltage Technique, Sofia, 1990; 3. Lectures.
Name of the course Telecommunications Lectures and laboratory work Code: BEE34 Semester: 5 L 2 hours; LW 1 hour Number of credits: 3 Prof. Ph.D. Georgi Stoyanov (FTC) tel.: 965 3255, email: gks@tu-sofia.bg Prof. Ph.D. Lidia Jordanova (FTC) tel.: 965 2130, email: jordanova@tu-sofia.bg COURSE STATUS IN THE CURRICULUM: Compulsory for the students specialty Electrical Engeneering, Faculty of Electrical engineering, educational-qualification degree: Bachelor AIMS AND OBJECTIVES OF THE COURSE: At the end of the course, the students are expected to be acquainted with the modern communication services, systems and networks, the principles of design of such systems and to be able to apply them to solve specific engineering problems. : The main topics concern: Description of the communication signals and channels; Transmission media and systems metal and optical fiber cables, other media; Multiplexing systems multiplexing principles, analog and digital systems; Communication terminals; Data transmission, error-correcting codes; Switching systems; Communication networks (conventional and IP-based); Mobile networks cellular structures, GSM-networks; Next generations networks 2.5G, 3G, LTE and 4G; General characteristics of radio communication systems principles of building, interference and distortion in the radio channel, classification; Transmitters parameters, block diagrams of analog and digital transmitters and requirements for their building blocks; Frequency synthesizers with direct and indirect synthesis block diagram, principle of operation; Superheterodyne receivers parameters, signal processing, adjustments, radiofrequency part of television receiver; Receivers with a high degree of integration - the principles of building, methods to ensure adjacent- and side-channels selectivity. PREREQUISITES: Mathematics, Physics, Electrical Engineering, Electronics, Digital and Micro processing techniques. TEACHING METHODS: Lectures, using slides, case studies and laboratory work with protocols defence. METHOD OF ASSESSMENT: Two one-hour assessments at mid and end of semester: TC part I (50%) and TC part II (50%). BIBLIOGRAPHY: 1. Christov, Ch., S. Mirchev. Telecommunications. S., New Knowledge Ed. House, 2004. 2. Dobrev, D., L. Jordanova. Radiocommunication technique. S., Siela, 2006. 3. Dobrev, D., L. Jordanova. Radiocommunications I and II parts. S., Siela, 1999, 2000. 4. Losee F. RF Systems, Components, and Circuits Handbook. Rtech House, London, 2002. 5. Goleniewski L., K. Jarrett, Telecommunications Essentials, Addison Wesley, 2006. 6. Horak, R., Telecommunications and data communications handbook, J. Wiley, 2007.
Name of the course: Lighting and installation equipment Type of teaching Lectures and laboratory work Code: BEE35 Semester: 5 L- 2,0 hours; LW- 1,0 hours Number of credits: 4 Assoc.Prof. Ph.D. Zahari Ivanov (FEE), tel.: 965-2169, e-mail: zai@tu-sofia.bg COURS STATUS IN THE CURRICILUME: Compulsory course for the students studded in specialty Еlectrical Engineering in the Faculty of Electrical Engineering. AMS AND OBJECVES OF THE COURSE: The aim of the course is to give to the student s base knowledge and later students may by self to get with design, mounting and exploitation /maintenance/ of luminaries, control gear devises and illumination systems, management systems of the electrical tools attached to them. Students will be well grounded with the environmental problems descended from high pressure discharge lamps us well us electromagnetic compatible of electric tools. : In the course Lighting and installation equipment consider the problems of theoretical bases of illuminating techniques, construction, principals of operation, main parameters, field of applications of different type of light sources, control gear and lighting fittings. The themes of electromagnetic compatible and environmental protection in the course are included. Special attention is paid to Design illumination and electrical installations us well us design of systems of management of the illumination and control installations. PREREQUISITES: Electrothechnic, Physics, Electrical Apparatus TEACHING METHODS: Lectures using slides and PC-presentations, laboratory works, Tutorials, seminars. METHOD OF ASSESMENT: Examination in written form in the end of fifth semester (80%), Laboratory works with report and examine (20%). BIBLIOGRAPHY: 1) Иванов З. А., Осветителна и инсталационна техника, 261 стр., Авангард Прима, София 2010, ISBN 978-954-323-779-1. 2) Иванов З. А., Пускорегулиращи апарати за разрядни лампи, 229 стр., София, 2003, ISBN 954-998-347. 3) Иванов З. А., Светлинни източници, 145 стр., второ преработено и допълнено издание, Авангард Прима, София 2008, ISBN 978-954-323-483-7. 4) Диканаров Г. И., Ръководство за лабораторни упражнения по осветителна и инсталационна техника, АВС Техника, С., 2003; 5) Пачаманов А. С. Електроснабдяване и осветителна техника, част 1: Основи на осветителната техника, част 2: Проектиране на осветителни уредби и електрически инсталации Авангард Прима, София 2004; 6) Василев Н. И., Промишлено осветление, Техника, С., 1975; 7) Диканаров Г.И., Деянов Д. И., Проектиране на осветителна и инсталационна техника, АВС Техника, С., 2002, 8) CIE 97:2005 Guide on the maintenance of indoor electric lighting systems.
Name of the course: Power technique Number: BEE36 Semester: 5 Lectures L 2 hours Number o credits: 2 Assoc. Prof. Ph.D. Totyo Totev(FPEPM), tel.: 965 22 95; e-mail: t-totev@tu-sofia.bg COURSE STATUS IN THE CURRICULUM: Compulsory course for full-time and extra-mural students at the speciality Electrical engineering of the Electric power engineering faculty of TU Sofia for educational qualification bachelor. AIMS AND OBJECTIVES OF THE COURSE: Acquiring knowledge about the thermal-mechanical part of a station and its connection with the electric part. This connection is based on the fact that the energetic characteristics of the thermal-mechanic machinery define the work of the electric machinery to a great extent. : In the course Power technique the following things are studied: the basic rules about turning the thermal energy into work; the regularities connected with the heat transfer in the steam generator and in other heat-exchanging devices; fuel features, their burning and the steam generating in the steam generator; the basic work principles of the steam turbines and steamturbine installations. Information about the different types of thermal power stations is accumulated and special attention is paid to those, which play a role in the power engineering of our country. PREREQUISITES: Basic knowledge acquired in the courses Physics and Mathematics is essential. TEACHING METHOD: Lectures delivered in the classical method on a black board. METHOD OF ASSESSMENT: A flowing mark on the base of a piece of writing at the end of the V semester. INSTRUCTION LANGUAGE: Bulgarian BIBLIOGRAPHY: 1. N. Hadjigenova, Thermal part of the TPS, Technika, 1. Bonev B., Totev T., Burning of fossil fuels, Кота, Sofia, 2002 2. Todoriev N., Chorbadjiski I., Boilers, Technika, 1983; 3. Winterbone D. E., Advanced Thermodynamics for Engineers, ARNOLD, 1997; 4. Lienhard J., A Heat Transfer Textbook, Phlogiston Press Cambridge, Massachusetts, USA, 2004; 5. Moran M.J., Engineering Thermodynamics, CRC Press LLC, 1999 6. Scrolls containing specialized lectures.
Name of the course Electrical Machines II Lectures, tutorials and laboratory work Code: BEE37 Semester: 6 Lessons per week L 3 hours; Tut 2 hours; LW 2 hours Number of credits: 9 Assoc. Prof. Ph. D. Dimitar Sotirov (FEE), tel.: 965 2127, email: dkso@tu-sofia.bg COURSE STATUS IN THE CURRICULUM: Compulsory course for all full-time and part-time undergraduate students at the Faculty of Electrical Engineering for Bachelor in Electrical Engineering degree in the. АIMS AND OBJECTIVES OF THE COURSE: The main aim of the course is to provide in-depth knowledge related to the problems of electromagnetic and electromechanical energy transformations in rotary electrical machines. The principles of these transformations in synchronous and AC and DC collector/brush machines are studied. Basic topics in control of electrical machines are also covered. : Study of the design, structure of the magnetic field, parameters, theory and characteristics of synchronous machines basically in stationary mode and shortly in transient processes. During the course are covered also the following topics also: design, magnetic field, characteristics and commutation of DC and AC collector/brush motors. Special interest is focused on some special electrical machines with wide practical implementation. The electromagnetic, electromechanical and thermal processes related to the energy transformation are studied. Development and usage of typical mathematical models for analysis and research in electrical engineering. PREREQUISITES: The knowledge acquired during the courses in Advanced mathematics, Physics, Mechanics, Material Science, Theory of electrical engineering, Mechanical structures and mechanisms, Electrical measurements, Electronics and Electrical materials, Electrical Machines I. TEACHING METHODS: Lectures with application of demonstrative aids photo, slides and details of electrical machines. Seminar exercises involving solution and study of special problems with the help of Seminar manual. Laboratory exercises, help in specially equipped labs with the aid of Laboratory Exercise manuals. Students should write laboratory exercise reports for each laboratory exercise. METHOD OF ASSESSMENT: Written exam at the end of semester (term) 6 providing 70% of the final score; assessment of the seminar exercises providing 15% of the final score and assessment of the laboratory exercises providing 15% of the final score. INSTRUCTION LANGUAGE: bulgarian BIBLIOGRAPHY: 1. Ангелов А., Д. Димитров. Електрически машини, ДИ Техника, ч. I, 1976, ч. II, 1988. 2. Димитров Д., И. Ваклев, Д. Сотиров, М. Стоянов. Ръководство за изпитване на електрически машини. ДИ Техника, 1988. 3. Ваклев И., Г. Божилов. Ръководство за семинарни упражнения по електрически машини. 1994. 4. Копылов И. П. Электрические машины, Высшая школа; Логос, Москва, 2000, ISBN 5-06-003841-6 (Высшая школа); ISBN 5-94010-009-0 (Логос).
Name of the course Electrical Apparatus II Lectures,tutorials, laboratory work and course project Code: BEE38 Semester: 6 L 3 hours, Tut 1 hour, LW 2 hours Number of credits: 6 LECTURERS: Prof. DSc Ivan Yatchev (FEE) tel.: 965 3873, email: yatchev@tu-sofia.bg Assoc. Prof. DSc Iliana Marinova (FEE) tel.: 965 3873, email: iliana@tu-sofia.bg COURSE STATUS IN THE CURRICULUM: Compulsory subject for students in Electrical Engineering from the Faculty of Electrical Engineering of Technical University Sofia for receiving Bachelor degree. AIMS AND OBJECTIVES OF THE COURSE: The course gives the possibility for specialists to obtain engineering knowledge and skills for creating and developing projects while using electrical apparatus, as managers in manufacturing, repairing, commercial and exploitation organizations concerned with electrical apparatus. On this basis, the specialists study the specific terminology, the essence of the given parameters, indexes and characteristics of the electrical apparatus. They also obtain knowledge and skills when choosing, offering to the market, manufacturing and repairing of the apparatus. : Electrical apparatus II discusses isolational systems, electrical discharge and electrical arc, commutations in electrical schemes, contacts and contact systems. Processes and modes of operation of the apparatus are taught from where one can determine the parameters, indexes and characteristics of the apparatus, their possibilities for exploitation and their demands for protection against dangerous for them and for electrical appliances overloading. PREREQUISITES: The course Electrical Apparatus II uses knowledge obtained from the essential and engineering courses such as mathematics physics, chemistry, mechanics, theoretical electrical engineering, material science, electrical measurements, etc as well as programming and usage of computational technology. TEACHING METHODS: The lectures are conducted with the help of modern teaching technical means multimedia projector. The labs are conducted in accordance with the lab books and reports prepared by the students and checked by the supervisor. In the process of teaching, the obtained from lectures knowledge is concretized, deepened and individualized through tutorials and preparing individual course projects. METHOD OF ASSESSMENT: Written exam at the end of the sixth semester(60%),laboratories (20%), course work (20%).. BIBLIOGRAPHY: 1. Александров А., И. Ячев. Електрически апарати. Част ІІ Комутационни и изолационни проблеми. София,"Авангард Прима", 2010; 2. Писарев,А.Н. и колектив. Ръководство за лабораторни упражнения по електрически апарати. София, Техника, 1976; 3. Александров, А.К. и колектив. Ръководство за упражнения по електрически апарати. София, Техника,1976; 4. Александров, А.К. Електрически апарати. София, изд. на ТУ, 1999; 5. Пенчев. П.Р. Електрически апарати. София,"Техника",1976.
Name of the course Code: BEE39 Semester: 6 Converter Technology Lessons per week Number of credits: 4 Lectures and laboratory work L 2 hours; LW 2 hours Prof. D. Sc. Emil Ratz(FEE), tel.: 965 2153; email: emil_ratz@yahoo.com COURSE STATUS IN THE CURRICULUM: Compulsory discipline for full and part-time students in Electrical Engineering from the Faculty of Electrotechnics of Technical University Sofia for receiving the degree Baccalaureate AIMS AND OBJECTIVES OF THE COURSE: The main purpose is to provide the students with based knowledge about structure, operational principals, main characteristics of power converters. The students obtain knowledge and skills when choosing, using, offering to the market, manufacturing and repairing converters. : Semiconductor devices. Pulse width modulation for control in power electronic converters. Single-phase unity power factor. PWM converterinverter system. Electromagnetic compatibility, AC-AC converters, chopper, single-phase and three-phase inverter Active power factor correction technology for single and three phase rectifiers. Single phase inverter with PWM. Power factor and shape control over the current consumed from the power network. Power efficiency. Power dissipation and heat sink, power handling capacity. Overvoltage and overcurrent protections. Safe operating areas, snubber circuits. Passive components and interconnections. Construction and manufacturing power converters. PREREQUISITES: The course Converter Technology uses knowledge obtained from the essential and engineering courses such as mathematics, physics, theoretical electrical engineering, electronics, microprocessors and usage of computational technology. TEACHING METHODS: The lectures are conducted with the help of modern teaching technical means slides and films. The labs are conducted in accordance with lab instructions and report is prepared by the students and checked by the supervisor. Elaboration and defence of report for the current lab METHOD OF ASSESSMENT: Continuous assessment is used. The final mark is the aggregate of the laboratory work (25%) and one written test (+25%).Written exam at the end of the sixth semester. BIBLIOGRAPHI: Браун, М., Токозахранващи устройства, Техника, София,1997; Бобчева М. И др., Силова електроника, ТУ - София, 1999; Славик, И., Конструирование силовых полупроводниковых преобразователей, Энергоатомиздат, 1989; Руденко, В.С. и др. Приборы и устройства промышленной электроники, Киев, Техника, 1990; Брандиски, К., В.Младенов, Ръководство за решаване на задачи по теоретична електротехника с Pspice, Сиела, 1998; Минчев, М., П.Пенчев, Безконтактни апарати, С., Техника, 1976; Анчев, М., Енергийна ефективност на силови електронни устройства, ТУ София, 2000; Hirschmanq W., A. Hauenstein, Schaltnetzteile, Munchen, Berlin, 1990; Raschid M, Power Electronics, Prentice Hall, New Jersy 1993; Muhamad H.Rashid, SPICE for Power Electronics and Electric Power, Prentice Hall Englewood Chiffs, New Jersey 1993.
Name of the course: Code: ВЕЕ40 Semester: 6 Design of Electrical Machines Lectures, Laboratory Work L 3 hours, LW 2 hours Number of credits: 8 Assoc. Prof. Ph.D. George Todorov (FEE), tel.: 965 2143, email: gtto@tu-sofia.bg COURSE STATUS IN THE CURRICULUM: Compulsory course for all full-time and part-time undergraduate students at the Faculty of Electrical Engineering studying B.Eng. programme. AIMS AND OBJECTIVES OF THE COURSE: The aim of the course is to provide the students with a basic conceptual understanding of the construction and design of a.c. and d.c. general purpose rotating electrical machines and power transformers. On completion of the course the students should be able to: - Know the basic constructions, mounting arrangements, degrees of protection and methods of cooling of the rotating electrical machines and power transformers; - Know how to select the electrical and magnetic loading, calculate winding data and design the magnetic core of the electrical machines; - Carry out steady state performance analysis. : The main topics concern: Basic principle of electrical and magnetic loading selection; windings and magnetic core dimensions of induction and synchronous machines, direct current machines and power transformers; basic constructions; mounting arrangements; degrees of protection; methods of cooling; methods for electromagnetic and thermal calculation. PREREQUISITES: Applied Geometry and Engineering Graphics, Materials Science, Electrical Engineering Theory, Principle of Mechanical Engineering Design, Electronics and Electrical Materials, Electrical Machines. TEACHING METHODS: Lectures with application of demonstrative aids overhead projector, drawings, photos and details of electrical machines. Laboratory works on individual assignment under supervision of the assistant professor. Course Project individual assignment. METHOD OF ASSESSMENT: The final mark is the aggregate of the laboratory work (20%) and final written examination (80%). To pass the course, students must submit acceptable project work and obtain a final mark of at least 40%. The course project is assesed separatelly. BIBLIOGRAPHY: 1. Kopilov I., F. Goryainov, B. Klokov, V. Morozkin, B. Tokarev. Design of Electrical Machines. S., Tehnika, 1988.; 2. Genov S., A. Dachev. Design of Power Transformers. S., Tehnika, 1990.; 3. Todorov G., S. Shishkova, G. Ganev. Manual-notebook on Design of Electromechanical Devices. Part one Three-phase Induction Motors. S., BPS, 2004, ISBN 954-9782-91-3.
Name of the course: Management Lectures and tutorials DESCRIPTON OF THE COURSE Number: BEE41 Semester: 6 L 2 hours; Tut 1 hour Number of credits: 3 Assistant Prof. Ph.D. Kiril Anguelov (FM), tel.:965 3651 COURSE STATUS IN THE CURRICULUM: Compulsory course for the full time and part-time students of the speciality Electrical engineering for the Bachеlor degree. AIMS AND OBJECTIVES OF THE COURSE: The aims and objectives of the Management course аrе to provide students basic knowledge in the field of corporative management, to present the modern concepts in management and to create practical skills for managerial problems. : The subject considers the main problems of management of the business organizations. The development of the managerial theory, the essence of the business organizations and their internal and external environment are considered, the problem solving and decision making is included. The basic managerial function planning, organizing, leading and controlling and their implementation in the main functional field of management of business organisations: marketing, innovation management, production engineering and management, human resource management are considered. PREREQUISTES: The subject requires basic knowledge in Economics. TEACHING METHODS: Lectures delivered by overheads and slides. Groups seminars at which students discuss casestudies, do tests and resolve practical tasks, take a part at business game, investigate the experience of succeed managers. For seminars are used the collection of case-studies, tests and tasks, business game and video films. METHOD OF ASSESSMENT: Two one-hour assessments at mid and end of semester. BIBLIOGRAPHY: 1. Ганчев П., О. Томов, Индустриален инженеринг и мениджмънт, ТУ-София, 1994 2. Ангелов, Кирил, Ръководство за упражнения по мениджмънт, С., МП Издателство на ТУ-София, 2005г. 3. Aldag R., T. Stearns, Management, South-Western Publishing CO., 1995, ISBN 0-538- 07702-6 4. Amrine H.T., J. A. Ritchey, O. S. Hurlley, Manufacturing Organization and Management, Prentice-Hall, 1992