Ibraheem, R., and H. A. Mohameed. “Distribution and Geographical Representation of Drought Regions in Iraq Using the Global Drought Index (GAI)”. Journal of Tikrit University for Humanities, vol. 32, no. 3, 6, Mar. 2025, pp. 157-70, doi:10.25130/jtuh.32.3.6.2025.8.