KOUSAR, S.; BILAL, H. A.; RANA, F. M. Impact of Consistency of Input on Acquisition of English Front Vowels: An Acoustic Study. Pakistan Languages and Humanities Review, [S. l.], v. 6, n. 4, p. 168–177, 2022. DOI: 10.47205/plhr.2022(6-IV)17. Disponível em: https://ojs.plhr.org.pk/journal/article/view/268. Acesso em: 2 may. 2024.