VAN DE VORD, Rebecca; POGUE, Korolyn. Teaching time investment: Does online really take more time than face-to-face?. The International Review of Research in Open and Distributed Learning, [S. l.], v. 13, n. 3, p. 132–146, 2012. DOI: 10.19173/irrodl.v13i3.1190. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/1190. Acesso em: 23 apr. 2024.