Abrar, Suleiman. “TECHNICAL ETHIOPIA: AN APPLICATlON OF THE STOCHASTIC FRONTIER APPROACH”. Ethiopian Journal of Development Research 18, no. 2 (December 29, 2022): 1–30. Accessed November 25, 2024. http://ejol.aau.edu.et/index.php/EJDR/article/view/4431.