MAYS, Tony John. Designing and Developing Programmes in Open, Distance and e-Learning. Progressio, [S. l.], v. 38, n. 2, p. 132–150, 2017. DOI: 10.25159/0256-8853/1324. Disponível em: https://unisapressjournals.co.za/index.php/Progressio/article/view/1324. Acesso em: 8 dec. 2025.