Azar, Saikhunal, and Nurudeen Babatunde Bamiro. “Improving The Quality of Learning Through Teacher Competency Management in Developing Teaching Materials”. ICCCM Journal of Social Sciences and Humanities 2, no. 3 (June 25, 2023): 1–6. Accessed October 18, 2024. https://ejicccm.com/index.php/icccmjssh/article/view/81.