“Evaluation of Operationality and Utilization of Instructional Materials for Teaching and Learning of Economics Among Senior Secondary Schools in North-West, Nigeria”. Federal University Gusau Faculty of Education Journal 6, no. 2 (March 4, 2026): 206–216. Accessed April 4, 2026. https://js.foefugusau.com.ng/index.php/foefujs/article/view/315.