Rashidov, Yusuf Karimovich, and Ismailov Ma’murjon Muxtorovich. “Improving the Efficiency of Flat Solar Collectors in Heat Supply Systems”. Middle European Scientific Bulletin 18 (November 13, 2021): 157-163. Accessed April 16, 2024. https://cejsr.academicjournal.io/index.php/journal/article/view/857.