Umurqulov , Sh.X, and M.Sh Xakimov. “THE EFFECT OF SOLAR RADIATION INTENSITY ON THE PERFORMANCE EFFICIENCY OF FLAT SOLAR AIR HEATERS”. Educational Research in Universal Sciences 3, no. 6 (June 14, 2024): 81–88. Accessed November 24, 2024. http://erus.uz/index.php/er/article/view/6284.