Language Use and Sustainable Development: Opportunities and Challenges for Policy-Makers and Educators in Northeast Vietnamese Areas. International Journal of Language Teaching and Education, [S. l.], v. 2, n. 2, p. 122-130, 2018. DOI: 10.22437/ijolte.v2i2.5048. Disponível em: https://online-journal.unja.ac.id/IJoLTE/article/view/5048. Acesso em: 3 jul. 2024.