ZINGARO, Daniel; OZTOK, Murat. Interaction in an Asynchronous Online Course: a Synthesis of Quantitative Predictors. Online Learning, Boston, MA, v. 16, n. 4, 2012. DOI: 10.24059/olj.v16i4.265. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/265. Acesso em: 1 apr. 2026.