Ayele , Mitiku, and Abebe Asele. “Impact of Sub Watershed Management Program on Household Livelihoods of Humbo District in Southern Ethiopia: Instrumental Variable Approach”. Journal of African Development Studies 8, no. 1 (July 27, 2022): 21–31. Accessed May 18, 2024. http://ejol.aau.edu.et/index.php/JADS/article/view/3096.