M'RABET, Rachid. The main difficulties in the management of a training institution. The Journal of Quality in Education, [S. l.], v. 4, n. 4, p. 4, 2013. DOI: 10.37870/joqie.v4i4.81. Disponível em: https://joqie.org/index.php/joqie/article/view/81. Acesso em: 17 jan. 2026.