CHI, V. T. L.; YEN, P. H. Vietnamese High School EFL Teachers’ Perceptions toward Online Teaching under the Impact of Covid-19. European Journal of Language and Culture Studies, [S. l.], v. 1, n. 4, p. 18–27, 2022. DOI: 10.24018/ejlang.2022.1.4.25. Disponível em: https://ej-lang.org/index.php/ejlang/article/view/25. Acesso em: 11 sep. 2025.