Ostapenko, O. і Slobodianiuk, O. (2015) «ENERGY, ECOLOGICAL AND ECONOMIC EFFICIENCY OF STEAM COMPRESSOR HEAT PUMP PLANTS AS COMPARED WITH ALTERNATIVE SOURCES OF HEAT SUPPLY», Scientific Works of Vinnytsia National Technical University, (2). доступний у: https://works.vntu.edu.ua/index.php/works/article/view/412 (дата звернення: 28Травень2026).