TRUHLAR, Allison M; WILLIAMS, Kimberly M; WALTER, M Todd. Student engagement with course content and peers in synchronous online courses discussions. Online Learning, Boston, MA, v. 22, n. 4, 2019. DOI: 10.24059/olj.v22i4.1389. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1389. Acesso em: 4 apr. 2026.