Demissie, Y., A. Akmel, and R. U. Reddy. “Comparative Analysis of Small Scale Irrigation in Selected Rural Kebeles of Harari Regional State, Ethiopia”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 28, no. 3, July 2016, pp. 118-39, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6008.