ACTIVITIES OF SCIENCE RESEARCH AT HANOI UNIVERSITY. Journal of Foreign Language Studies, [S. l.], n. 17, p. 159–160, 2024. DOI: 10.56844/tckhnn.17.406. Disponível em: http://journals.hanu.edu.vn/index.php/tckhnn/article/view/406. Acesso em: 15 jan. 2026.