Ponomarenko, Y., M. Katkov, and R. Semenenko. “INTEGRATED ASSESSMENT OF ENVIRONMENTAL AND ECONOMIC EFFICIENCY OF GAS BOILER OPERATING MODES: Array”. Municipal economy of cities 4, no. 157 (September 30, 2020): 127–133. Accessed November 24, 2024. https://khg.kname.edu.ua/index.php/khg/article/view/5644.