VAN BILJON, J. A.; DE VILLIERS, M. Multiplicity in supervision models: the supervisor’s perspective. South African Journal of Higher Education, [S. l.], v. 27, n. 6, 2016. DOI: 10.20853/27-6-307. Disponível em: https://www.journals.ac.za/sajhe/article/view/307. Acesso em: 7 oct. 2025.