PETERSON, Amy T; BEYMER, Patrick N.; PUTNAM, Ralph T. Synchronous and Asynchronous Discussions: Effects on Cooperation, Belonging, and Affect. Online Learning, Boston, MA, v. 22, n. 4, 2019. DOI: 10.24059/olj.v22i4.1517. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1517. Acesso em: 4 apr. 2026.