A.Kh.Eshmamatov (2025) “ASSESSMENT OF THE EFFICIENCY OF ENERGY SYSTEMS BASED ON ENVIRONMENTALLY FRIENDLY HEAT SOURCES”, SCIENCE AND INNOVATION IDEAS IN MODERN EDUCATION, 3(3), pp. 93–96. Available at: http://woconferences.com/index.php/SIIME/article/view/2495 (Accessed: 29 October 2025).