A Contrastive Analysis of the Production of English and Yoruba Vowels by Yoruba-English Bilingual Students in University of Nigeria, Nsukka. Global Journal of Human-Social Science, [S. l.], v. 21, n. G6, p. 29–36, 2021. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/3648. Acesso em: 8 jun. 2026.