Comparative Assessment of Intonational Variations between Igbo-English and Ibibio-English Bilingual Speech among higher institution graduates in Nigeria. Federal University Gusau Faculty of Education Journal, [S. l.], v. 6, n. 4, p. 39–45, 2026. DOI: 10.64348/zije.2026456. Disponível em: https://js.foefugusau.com.ng/index.php/foefujs/article/view/456. Acesso em: 25 jul. 2026.