Aremu, Abdulahi Olarewaju. “Assessing L1 Competence Decline Among Yoruba-English Bilingual Undergraduates at Usmanu Danfodiyo University, Sokoto”. TRANS-KATA: Journal of Language, Literature, Culture and Education 4, no. 2 (May 20, 2024): 117–131. Accessed November 21, 2024. https://ejournal.transbahasa.co.id/index.php/jllce/article/view/77.