Etefa, Teka, Osman Rahmeta, and Yadeta Bekele. “Resource Use Efficiency of Smallholder Maize producers’ in Bilo Nopa District, Ilu Ababor Zone, Oromia Region, Ethiopia: An Application of Stochastic Frontier Analysis”. Ethiopian Journal of Applied Science and Technology 13, no. 1 (June 15, 2022): 94 - 103. Accessed April 25, 2024. https://ejhs.ju.edu.et/index.php/ejast/article/view/3858.