MERGA FUTASA BEGNA. Effect of Managers’ Professional Efficiency on the Net Sale of Cooperative Union in Oromia Regional State, Ethiopia. International Journal of Advanced Research in Multidisciplinary Sciences eISSN 2581-8996 , [S. l.], v. 5, n. 2, p. 01–05, 2022. Disponível em: https://journal.ijarms.org/index.php/ijarms/article/view/352. Acesso em: 29 apr. 2025.