“Spatio-Temporal Characterization of Agricultural Drought Using Soil Moisture Deficit Index (SMDI) in the Upper Tana River Basin, Kenya”. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695/IJERAT 5, no. 2 (February 20, 2019): 93–106. Accessed May 3, 2024. https://ijerat.com/index.php/ijerat/article/view/48.