CAMPBELL GIBSON, Chere. Distance Learning Technologies: Issues, Trends and Opportunities. The International Review of Research in Open and Distributed Learning, [S. l.], v. 4, n. 1, 2003. DOI: 10.19173/irrodl.v4i1.124. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/124. Acesso em: 16 may. 2024.