EM, S.; PHAN, S.; KHAN, S. Cambodian EFL university students’ perceptions of online learning effectiveness during the COVID-19 pandemic: A survey study. Cambodian Journal of Educational Research, [S. l.], v. 2, n. 2, p. 15–34, 2022. DOI: 10.62037/cjer.2022.02.02.02. Disponível em: https://cjerjournal.com/index.php/cjer/article/view/97. Acesso em: 13 nov. 2026.