VANDENHOUTEN, Christine Lynn; LEPAK, Susan Gallagher; REILLY, Janet; BERG, Penny Ralston. Collaboration in E-Learning: A Study Using the Flexible E-Learning Framework. Online Learning, Boston, MA, v. 18, n. 3, 2014. DOI: 10.24059/olj.v18i3.404. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/404. Acesso em: 3 apr. 2026.