Abdukarimov, B., M. Solijonov, and R. Abdumalikov. “RESEARCH OF WORKING HEAT SUPPLY SYSTEMS BASED ON CONVENTIONAL AND RENEWABLE ENERGY SOURCES”. GOLDEN BRAIN, vol. 1, no. 1, May 2023, pp. 253-5, https://researchedu.org/index.php/goldenbrain/article/view/4565.