Ostapenko, O. (2016) «SPHERES OF ENERGY EFFICIENT OPERATION OF ENERGY SUPPLY SYSTEMS WITH COGENERATION-HEAT PUMP INSTALLATIONS АND PEAK SOURCES OF HEAT», Scientific Works of Vinnytsia National Technical University, (3). доступний у: https://works.vntu.edu.ua/index.php/works/article/view/479 (дата звернення: 7Травень2026).