Aku PE, Hussaini PS, Gabi SS. EFFECT OF STIMULUS VARIATION STRATEGY ON STUDENTS’ ACADEMIC ACHIEVEMENT IN ENERGY IN NASARAWA STATE, NIGERIA. AJHCER [Internet]. 2022 Mar. 31 [cited 2025 Oct. 11];3(1):51-9. Available from: https://publications.afropolitanjournals.com/index.php/ajhcer/article/view/79