SEELETSO, M.; LETSEKA, M. Virtual Learning: The Lacuna for Improved Access, Openness and Flexibility in an Open and Distance Learning University. International Journal of Multidisciplinary Perspectives in Higher Education, [S. l.], v. 5, n. 2, p. 86–99, 2021. Disponível em: https://ojed.org/index.php/jimphe/article/view/2894. Acesso em: 4 dec. 2021.