WIBOWO, Ary Iswanto; ADI, Wiruma Titian; PRATAMA, Rizky Mirani Desi. Mispronouncing English Vowel Sounds on Office Admisintrative’s Students Universitas Bina Sarana Informatika. IJOLTL (Indonesian Journal of Language Teaching and Linguistics), [S. l.], v. 6, n. 3, p. 231–238, 2021. DOI: 10.30957/ijoltl.v6i3.679. Disponível em: https://ijotl-tl.soloclcs.org/index.php/ijoltl/article/view/679. Acesso em: 2 apr. 2025.