Karim OA, Ahmed AH, Idi D. Assessment Of The Utilisation Of Instructional Materials For Teaching Agricultural Science In Senior Secondary Schools In Kaduna State, Nigeria. Educational Researcher Journal [Internet]. 2025 Jul. 30 [cited 2026 May 9];2(2):75-84. Available from: https://edurj.com/index.php/edurj/article/view/83