MENSAH, Mary Afi. Implementation of Internal Quality Assurance in Polytechnics: Evidence from Ghana. European Scientific Journal, ESJ, [S. l.], v. 12, n. 19, p. 221, 2016. DOI: 10.19044/esj.2016.v12n19p221. Disponível em: https://test.eujournal.org/index.php/esj/article/view/7728. Acesso em: 19 apr. 2025.