Makhsitalayev Barkhayotjon Iftikharjan ugli, and Umurkulov Shakhzodbek Xamdajon ugli. “Heat Pumps and Photovoltaic Systems Optimization”. Journal of Ethics and Diversity in International Communication, vol. 3, no. 12, Dec. 2023, pp. 50-56, https://openaccessjournals.eu/index.php/jedic/article/view/2483.