Okono, Dr. Usoro Mark. “The Case of Unreleased Plosives by Ibibio Speakers of English: A Study of Performance by Undergraduates of Akwa Ibom State University”. Journal of Ethics and Diversity in International Communication 3, no. 7 (July 31, 2023): 30–35. Accessed July 22, 2024. https://openaccessjournals.eu/index.php/jedic/article/view/2237.