Saydullaev Sirozhiddin Rakhmatillaevich. “USE OF SOLAR ENERGY AS A SOURCE OF HEAT AND ISSUES OF HEAT ENERGY SAVING”. Galaxy International Interdisciplinary Research Journal 9, no. 12 (December 29, 2021): 1298–1302. Accessed July 22, 2024. https://internationaljournals.co.in/index.php/giirj/article/view/916.