Dogondaji NM, Maccido I. Effects of visual instructional Materials on Senior Secondary Two Students’ Achievement in Mathematics in Tambuwal Local Government Area of Sokoto State, Nigeria. ajosed [Internet]. 2023 Oct. 16 [cited 2026 Jun. 1];1(1):1-9. Available from: https://journals.researchsynergypress.com/index.php/ajosed/article/view/1561