WANGI, Wulan; NUDIYA, Dzicky Amiq. THE ANALYSIS OF PRONUNCIATION ERROR ON ENGLISH DIPHTHONGS MADE BY CERTIFIED TOUR GUIDES. Academic Journal Perspective : Education, Language, and Literature, [S. l.], v. 8, n. 2, p. 98–106, 2020. DOI: 10.33603/perspective.v8i2.4244. Disponível em: https://jurnal.ugj.ac.id/index.php/Perspective/article/view/4244. Acesso em: 29 aug. 2025.