BAGGALEY, Jon; KLAAS, Jim. Video-Conferencing with Audio Software. The International Review of Research in Open and Distributed Learning, [S. l.], v. 7, n. 1, 2006. DOI: 10.19173/irrodl.v7i1.312. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/312. Acesso em: 9 dec. 2023.