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, vol. 3, no. 7, July 2023, pp. 30-35, https://oajournals.net/index.php/jedic/article/view/2237.