SANGIDKHORLOO, Bulgantamir; BAZARJAV, Purevsuren; GANZORIG, Bat-Uchral; LKHAGVASUREN, Oyu-Erdene. An Acoustic Study on the Pronunciation of Vowel Sounds in Spanish, Italian, and French Languages by Mongolian Learner. Mongolian Journal of Applied Linguistics, [S. l.], v. 8, n. 1, p. 98–115, 2023. DOI: 10.5564/mjal.v8i1.3440. Disponível em: https://mongoliajol.info/index.php/MJAL/article/view/3440. Acesso em: 24 apr. 2025.