1MR. MERGA FUTASA BEGNA. Level of Managers’ Professional Efficiency in Agricultural Multipurpose Cooperative Unions in Oromia Regional State, Ethiopia. International Journal of Advanced Research in Multidisciplinary Sciences eISSN 2581-8996 , [S. l.], v. 5, n. 1, p. 01–11, 2022. Disponível em: https://journal.ijarms.org/index.php/ijarms/article/view/197. Acesso em: 4 apr. 2026.