Pedagogical Challenges in Online Teaching: A Qualitative Study on Vietnamese University Teachers of Social Sciences. Journal of Contemporary Educational Policies and Practices, [S. l.], v. 7, n. 3, p. 227–239, 2023. DOI: 10.52296/vje.2023.300. Disponível em: https://ojs35.mpos.io.vn/index.php/journal/article/view/300. Acesso em: 3 apr. 2026.