ADAWIYAH, R.; RETNOWATI, N. An Analysis on the Students’ Errors in Pronouncing English Vowel. ENGLISH JOURNAL, [S. l.], v. 8, n. 1, p. 21–32, 2016. DOI: 10.32832/english.v8i1.262. Disponível em: https://ejournal.uika-bogor.ac.id/index.php/ENGLISH/article/view/262. Acesso em: 22 dec. 2024.