Vegetable Production Efficiency of Smallholders’ Farmer in West Shewa Zone of Oromia National Regional State, Ethiopia. American International Journal of Agricultural Studies , [S. l.], v. 2, n. 1, p. 39–51, 2019. DOI: 10.46545/aijas.v2i1.10. Disponível em: https://www.acseusa.bdtopten.com/index.php/aijas/article/view/10. Acesso em: 1 feb. 2026.