SHEA, Peter. Introduction to Section II. Online Learning, Boston, MA, v. 29, n. 4, p. ix-xii, 2025. DOI: 10.24059/olj.v29i4.5473. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/5473. Acesso em: 25 mar. 2026.