MPHAHLELE, R. S. .; NGOVENI, M. A. .; MPHUTHI, G. T. . Enhancing Mathematics Teaching in Open Distance and e-Learning: Effective External Supervision Strategies. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 23, n. 12, p. 216–236, 2024. Disponível em: http://ijlter.net/index.php/ijlter/article/view/2153. Acesso em: 31 dec. 2025.