NASIR, Saad.A., and Mrwan. Z. RIJIB. “Using Qualitative Response Models in Determining Rainfall Rates and Their Impact on Wheat Crop Productivity in Iraq for 1995-2018”. Iranian Journal of Ichthyology 10, no. Special Issue 1 (February 3, 2023): 42–46. Accessed May 6, 2024. https://ijichthyol.org/index.php/iji/article/view/898.