SHEA, Peter. Introduction to Volume 24, Issue 1, March 2020. Online Learning, Boston, MA, v. 24, n. 1, 2020. DOI: 10.24059/olj.v24i1.2217. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/2217. Acesso em: 25 mar. 2026.