Rabia Tabassum, Imran Ahmed Khan, and Mudassar Hassan Arsalan. “Monitoring Drought Events and Vegetation Conditions in Pakistan: Implications for Drought Management and Food Security”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences 60, no. 4 (December 9, 2023): 13–28. Accessed December 4, 2025. http://ppaspk.org/index.php/PPAS-A/article/view/1280.