Ostapenko O. METHODICAL FUNDAMENTALS OF COMPLEX ASSESSMENT OF ENERGY-ECOLOGICAL-ECONOMIC EFFICIENCY OF ENERGY SUPPLY SYSTEMS WITH COGENERATION HEAT PUMP INSTALLATIONS AND PEAK SOURCES OF HEAT. Works of VNTU [Internet]. 2017Oct.1 [cited 2024Apr.16];(3). Available from: https://works.vntu.edu.ua/index.php/works/article/view/510