Mohammed Kasim S, Mohammed Youns A, Muqdad Mahmood-Agha omar. Temporal and Spatial Analysis of Drought Using the Standard Precipitation Index for the Northwestern Region of Iraq. AREJ [Internet]. 2021 Jun. 1 [cited 2025 Sep. 6];26(1):115-27. Available from: https://ojs.uomosul.edu.iq/index.php/arej/article/view/30603