I. Al- Rijabo, Waleed, and Diyar A. Bleej. “Variation of Rainfall With Space and Time in Duhok Governorate”. Journal of Education and Science 23, no. 1 (March 1, 2010): 32–43. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42193.