Nurmanova, Makhfuza Urozovna. “CONSTRUCTION AND PERFORMANCE STUDY OF A ROCK BED BLACK AGATE HOME TYPE SOLAR AIR HEATER WITH SOLAR DRYER”. Educational Research in Universal Sciences 1, no. 6 (December 5, 2022): 206–212. Accessed November 22, 2024. http://erus.uz/index.php/er/article/view/513.