Kabao, Farhan Keti, and Omar Salih Omar. “Study of Global Solar Radiation in Duhok Province”. Science Journal of University of Zakho 10, no. 3 (July 15, 2022): 93–97. Accessed December 23, 2024. https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/934.