Jumaa Younis, Jumaa Hussein, and Mohammed Atiyah Saleh. “The Relationship Between Climate Variability and Wheat Crop Productivity in Kirkuk Governorate”. Journal of Tikrit University for Humanities 32, no. 12, 2 (December 31, 2025): 138–159. Accessed August 19, 2026. https://jtuh.org/index.php/jtuh/article/view/5872.