MMAKO, M.; SCHULTZ, C. An employee engagement framework for technical vocational education and training colleges in South Africa. South African Journal of Higher Education, [S. l.], v. 30, n. 2, p. 143–163, 2016. DOI: 10.20853/30-2-606. Disponível em: https://www.journals.ac.za/sajhe/article/view/606. Acesso em: 7 oct. 2025.