MURILLO, Sonia; RIZZUTO, Mary; SAWYERS, Urel. Audio/ Videoconferencing Packages: High cost. The International Review of Research in Open and Distributed Learning, [S. l.], v. 6, n. 3, 2006. DOI: 10.19173/irrodl.v6i3.273. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/273. Acesso em: 6 oct. 2024.