DOO, Min Young; ZHU, Meina; BONK, Curtis J. A Systematic Review of the Research Topics in Online Learning During COVID-19: Documenting the Sudden Shift. Online Learning, Boston, MA, v. 27, n. 1, 2023. DOI: 10.24059/olj.v27i1.3405. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/3405. Acesso em: 27 mar. 2026.