AMBALEGIN, Ambalegin. Phonological Analysis of English Vowel Pronunciation. KnE Social Sciences, [S. l.], v. 5, n. 4, p. 28–45, 2021. DOI: 10.18502/kss.v5i4.8665. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/8665. Acesso em: 7 aug. 2025.