AHMAD, M. U. .; ALIYU, A. Z. .; LIMAN, A. M. . Utilization of Instructional Materials and Junior Secondary Students’ Academic Achievement in Geometrical-Shapes. Brillo Journal, [S. l.], v. 3, n. 2, p. 102–112, 2024. DOI: 10.56773/bj.v3i2.54. Disponível em: https://journal.sncopublishing.com/index.php/brillojournal/article/view/54. Acesso em: 12 may. 2025.