TRINH , L. T.; NGUYEN, T. C. T.; NGUYEN, A. N. T. An Investigation into Secondary School Students’ Sino-Vietnamese Competence in Philology Learning Activities. Journal of Contemporary Educational Policies and Practices, [S. l.], v. 5, n. 2, p. 61–67, 2021. DOI: 10.52296/vje.2021.91. Disponível em: https://jcepp.org/index.php/journal/article/view/91. Acesso em: 29 jan. 2026.