Hussien, Kassaye, Gezahagn Woldu, and Shimelis Birhanu. 2019. “A GIS-Based Multi-Criteria Land Suitability Analysis for Surface Irrigation Along the Erer Watershed, Eastern Hararghe Zone, Ethiopia”. East African Journal of Sciences 13 (2):169-84. https://doi.org/10.20372/eajs.v13i2.802.