LUBINGA, S.; RAMNARAIN, J.; TONKIN, L. Quandaries of contract cheating in South African higher education institutions: The way forward. South African Journal of Higher Education, [S. l.], v. 37, n. 6, p. 239–254, 2023. DOI: 10.20853/37-6-5052. Disponível em: https://www.journals.ac.za/sajhe/article/view/5052. Acesso em: 7 oct. 2025.