A, B. ., J. . H, and A. . K. “Effect of Small-Scale Irrigation on the Farm Households’ Income of Rural Farmers: The Case of Girawa District, East Hararghe, Oromia, Ethiopia”. Asian Journal of Agriculture and Rural Development, vol. 4, no. 3, Mar. 2014, pp. 257-66, https://archive.aessweb.com/index.php/5005/article/view/1196.