THORVALDSEN, Steinar; RICHARDS, Griff. Some frontiers in open and distance learning in the North. The International Review of Research in Open and Distributed Learning, [S. l.], v. 12, n. 4, 2011. DOI: 10.19173/irrodl.v12i4.986. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/986. Acesso em: 29 mar. 2024.