Okono, U.M. 2024. The Articulation Of Twelve Pure Vowels In The English Language Of Nigerian Undergraduates: A Case Study Of The Department Of English Akwa Ibom State University: Sapientia Global Journal of Arts, Humanities and Development Studies (SGOJAHDS), Vol 6, No 4. Afrischolar Discovery Repository (Annex). (May 2024). DOI:https://doi.org/10.60951/afrischolar-153.