Girma, G., D. . Idea, and B. Wolteji Chala. “Economic Efficiency and Its Determinants of Smallholder Sorghum Producers: The Case of Hidabu Abote District, Ethiopia”. African Journal of Economic and Business Research, vol. 2, no. 2, Nov. 2023, https://journals.hu.edu.et/hu-journals/index.php/ajebr/article/view/814.