Ahmad, Manko Umar, Alhaji Zakariyya Aliyu, and Alhaji Mohammed Liman. “Utilization of Instructional Materials and Junior Secondary Students’ Academic Achievement in Geometrical-Shapes”. Brillo Journal 3, no. 2 (June 25, 2024): 102–112. Accessed December 30, 2024. https://journal.sncopublishing.com/index.php/brillojournal/article/view/54.