DONAL, Andri. INDONESIAN STUDENTS’ DIFFICULTIES IN PRONOUNCING ENGLISH DIPHTONGS . JEE (Journal of English Education), [S. l.], v. 2, n. 2, p. 55–62, 2016. Disponível em: https://journal.upp.ac.id/index.php/JEE/article/view/446. Acesso em: 24 may. 2024.