Juma, Mwajuma, and Deogratias M.M. Mulungu. “Analysis of Drought Using Meteorological and Microwave Remote Sensed Data: A Case of Wami Watershed, Tanzania”. Tanzania Journal of Engineering and Technology, vol. 37, no. 2, Jan. 2019, https://journals.udsm.ac.tz/index.php/tjet/article/view/2325.