Series 1.1Agricultural Engineering. Agricultural Science and Medicine. Repair and Reliability. Industrial Design. Thermotechnics, Hydro- and Pneumotechnics. Ecology and Environment Protection Not published

Series 2.1Mechanical Engineering and Mechanics Not published

Series 3.1Electrical Engineering, Electronics and Automation Not published Series 3.2Communication and Computer Technologies Not published

Series 4.1Transport and Machine Science Not published Series 4.2Sustainable and Intelligent Transport Systems, Technologies and Logistics Not published

Series 5.1Economics and Management Not published Series 8.2Social Work Not published

Series 6.1Mathematics, Informatics and Phisics Not published Series 6.2Pedagogy and Psichology Not published Series 6.3Linguistics and Literry Theory Not published Series 6.4Education - Research and Innovations Not published

Series 7.1Law Sciences Not published Series 7.2National Security Not published

Series 8.1Health Promotion Not published Series 8.3Health Care Not published Series 8.4Medical and Clinical Diagnostic Activities Not published

Series 9.1Quality of higher education Not published

Series 10.1Chemical Technologies Not published Series 10.2Biotechnologies and Food Technologies Not published

Series 11.1Contemporary Language Education, Methodology, Pedagogy, and Psychology. Linguistics, Literary Studies, History, and Philosophy. Natural, Mathematical, and Technical Sciences. Not published

Series 12.1Bulgarian Cultural and Historical Heritage Not published Series 12.2Interdisciplinary Research Not published Series 12.3Modern Challenges Not published