MCDONALD, Paige A; PICCIANO, Anthony. Introduction. Online Learning, Boston, MA, v. 18, n. 4, 2014. DOI: 10.24059/olj.v18i4.519. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/519. Acesso em: 25 mar. 2026.