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. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 26, n. 1, p. 115–127, 2021. DOI: 10.33899/rengj.2020.128386.1066. Disponível em: https://ojs.uomosul.edu.iq/index.php/arej/article/view/30603. Acesso em: 6 sep. 2025.