“Drought Spatiotemporal Characteristics Based on a Vegetation Condition Index in Erbil, Kurdistan Region, Iraq”.
Iraqi Journal of Science 62, no. 11 (December 24, 2021): 4545–4556. Accessed July 27, 2025.
https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3821.