GIRMA, Gadisa; IDEA, Diriba; WOLTEJI CHALA, Badassa. Economic Efficiency and Its Determinants of Smallholder Sorghum Producers: The Case of Hidabu Abote District, Ethiopia. African Journal of Economic and Business Research, Ethiopia, v. 2, n. 2, 2023. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/ajebr/article/view/814.. Acesso em: 26 jan. 2026.