SOME DIFFICULT AUXILIARIES FOR VIETNAMESE LEARNERS OF JAPANESE - AUXILIARY "WO". Journal of Foreign Language Studies, [S. l.], n. 17, p. 85–94, 2024. DOI: 10.56844/tckhnn.17.664. Disponível em: http://journals.hanu.edu.vn/index.php/tckhnn/article/view/664. Acesso em: 15 jan. 2026.