MUTANYATTA, Johannes. Formative Evaluation of Distance Education::A Case Study of the Certificate in Adult Education at the University of Botswana. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 4, n. 1, p. 36–45, 1989. Disponível em: https://ijede.ca/index.php/jde/article/view/355. Acesso em: 6 may. 2024.