OSTAPENKO, O.; BAKUM, O. ECONOMIC EFFICIENCY OF HEAT-PUMPING STATIONS ON THE CONDITIONS OF FUEL AND ENERGY RESOURCES COST CHANGE AND VARIABLE OPERATION MODES. Scientific Works of Vinnytsia National Technical University, [S. l.], n. 1, 2015. Disponível em: https://works.vntu.edu.ua/index.php/works/article/view/406. Acesso em: 29 mar. 2024.