Effect Of Project-Based Learning Approach on Problem-Solving Ability in Mathematics among Secondary School Students in Kebbi Metropolis, Kebbi State, Nigeria . Federal University Gusau Faculty of Education Journal, [S. l.], v. 2, n. 3, p. 237–246, 2025. DOI: 10.64348/zije.2025207. Disponível em: https://js.foefugusau.com.ng/index.php/foefujs/article/view/207. Acesso em: 2 mar. 2026.