TRAN, Thi Hai Yen. PERCEPTION OF ENGLISH LISTENERS ON VIETNAMESE VOWELS CONTRASTING IN ROUNDING. JOURNAL OF INQUIRY INTO LANGUAGES AND CULTURES, [S. l.], v. 5, n. 1, p. 106–116, 2021. DOI: 10.63506/jilc.0501.139. Disponível em: https://jilc.vn/index.php/jilc/article/view/139.. Acesso em: 24 oct. 2026.