Ba-raadi, A.A, M. A. Al-Saggaf, and M. S. Al-Guhi. “A Comparative Study of the Productivity and Efficiency of Thermo-Solar Collector Models in Different Climatological Conditions in Some Regions in Yemen”. Thamar University Journal of Natural & Applied Sciences 2, no. 1 (January 27, 2023): 1–11. Accessed December 22, 2024. https://journal.tu.edu.ye/index.php/TUJNAS/article/view/1276.