TRAN, L. T. T.; CAO, T. T.; VO, V. L. H. 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://jcepp.org/index.php/journal/article/view/300. Acesso em: 29 jan. 2026.