AKU, P. E.; HUSSAINI, P. S.; GABI, S. S. EFFECT OF STIMULUS VARIATION STRATEGY ON STUDENTS’ ACADEMIC ACHIEVEMENT IN ENERGY IN NASARAWA STATE, NIGERIA. African Journal of Humanities and Contemporary Education Research , [S. l.], v. 3, n. 1, p. 51–59, 2022. Disponível em: https://publications.afropolitanjournals.com/index.php/ajhcer/article/view/79. Acesso em: 11 oct. 2025.