SHAHID, M. A.; SHABBIR, S. I.; ASLAM, N. Understanding Schwa Sound by ESL Learners: A Study of English Pronunciation in Pakistan. Journal of Development and Social Sciences, Gujranwala, Pakistan, v. 4, n. 4, p. 256–268, 2023. DOI: 10.47205/jdss.2023(4-IV)23. Disponível em: https://ojs.jdss.org.pk/journal/article/view/795. Acesso em: 22 dec. 2024.