Nadia Hatem Tuama. 2021. “Geographical Analysis of Drought and Its Impact on Vegetation and Water Cover in Ali Al-Gharbi District Using the SPI Index and the Two Peers NDVI and NDWI”. (Humanities, Social and Applied Sciences) Misan Journal of Academic Studies 20 (41), 393-415. https://misan-jas.com/index.php/ojs/article/view/255.