Effect of Activity-Based Learning Strategy on Understanding of Geometry Concepts among Senior Secondary School Student in Billiri, Gombe State, Nigeria. Federal University Gusau Faculty of Education Journal, [S. l.], v. 6, n. 6, p. 418–424, 2026. DOI: 10.64348/zije.2026668. Disponível em: http://js.foefugusau.com.ng/index.php/foefujs/article/view/668. Acesso em: 5 nov. 2026.