PHUC, Trinh Thai Van. A literature review on using the first language in a second or foreign language classroom. Ho Chi Minh City Open University Journal of Science - Social Sciences, [S. l.], v. 6, n. 1, p. 14–23, 2015. Disponível em: https://journalofscience.ou.edu.vn/index.php/soci-en/article/view/330. Acesso em: 20 aug. 2026.