A. S. , Azi, and Dajan H. J. “Effects of Using Instructional Materials on the Academic Performance of Secondary School Students’ in Economics in Jos-North Local Government Area of Plateau State”. Kashere Journal of Education 3, no. 1 (June 30, 2022): 1–7. Accessed March 15, 2026. https://journals.fukashere.edu.ng/index.php/kje/article/view/894.