Acoustic Analysis of Nigerian English Vowels: A Comparative Phonetic Study of Educated and Non-Educated Speakers. Federal University Gusau Faculty of Education Journal, [S. l.], v. 2, n. 3, p. 276–282, 2025. DOI: 10.64348/zije.2025211. Disponível em: https://js.foefugusau.com.ng/index.php/foefujs/article/view/211. Acesso em: 2 mar. 2026.