FAHY, Patrick J. Indicators of Support in Online Interaction. The International Review of Research in Open and Distributed Learning, [S. l.], v. 4, n. 1, 2003. DOI: 10.19173/irrodl.v4i1.129. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/129. Acesso em: 29 apr. 2024.