ONTONG, J.; BRUWER, A.; DREYER, J. An investigation of the interaction of class attendance, tutorials, mentor sessions, video presentations and external tutoring, and the effect thereof on student performance. South African Journal of Higher Education, [S. l.], v. 34, n. 4, p. 269–285, 2020. DOI: 10.20853/34-4-3531. Disponível em: https://www.journals.ac.za/sajhe/article/view/3531. Acesso em: 7 oct. 2025.