Muleta, Gadisa, and Takele Mebratu. “Technical Efficiency of Smallholder Barley Producers in Ethiopia”. American Journal of Economics and Business Innovation 3, no. 2 (June 22, 2024): 108–114. Accessed September 24, 2025. https://journals.e-palli.com/home/index.php/ajebi/article/view/2971.