B. Awualchew, S., R. . Lambiso, G. Asfaw, A. . Demekew, and S. Ayalew. “Characterization, Assessment of the Performance and Causes of Underperformance of Irrigation in Ethiopia”. Ethiopian Journal of Development Research, vol. 32, no. 1, Dec. 2022, pp. 55-80, http://ejol.aau.edu.et/index.php/EJDR/article/view/3524.