Tạ Văn T.; Phạm Văn T. Conservating ethnic minoritie languages in Vietnam before the danger of being lost. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY, [S. l.], v. 3, n. 5, p. 27–32, 2020. DOI: 10.51453/2354-1431/2017/134. Disponível em: https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/134. Acesso em: 25 nov. 2024.