JOUBERT, Yvonne T.; SNYMAN, Annette M. Challenges Experienced with Online Tutoring in an ODL Institution. Progressio, [S. l.], v. 39, n. 1, p. 126–145, 2018. DOI: 10.25159/0256-8853/2139. Disponível em: https://unisapressjournals.co.za/index.php/Progressio/article/view/2139. Acesso em: 7 dec. 2025.