Evaluation of Operationality and Utilization of Instructional Materials for Teaching and Learning of Economics among Senior Secondary Schools in North-West, Nigeria. foefujs [Internet]. 2026 Mar. 4 [cited 2026 Apr. 4];6(2):206-1. Available from: https://js.foefugusau.com.ng/index.php/foefujs/article/view/315