Ostapenko, O. (2017) «METHODICAL FUNDAMENTALS OF COMPLEX ASSESSMENT OF ENERGY-ECOLOGICAL-ECONOMIC EFFICIENCY OF ENERGY SUPPLY SYSTEMS WITH COGENERATION HEAT PUMP INSTALLATIONS AND PEAK SOURCES OF HEAT», Scientific Works of Vinnytsia National Technical University, (3). доступний у: https://works.vntu.edu.ua/index.php/works/article/view/510 (дата звернення: 7Травень2026).