Godswill Makombe, Regassa E Namara, Seleshi Bekele Awulachew, Fitsum Hagos, Mekonnen Ayana, and Matshidiso Kanjere. “An Analysis of the Productivity and Technical Efficiency of Smallholder Irrigation in Ethiopia”. Water SA 43, no. 1 January (January 30, 2017). Accessed April 24, 2024. https://watersa.net/article/view/10752.