Effect Of Project-Based Learning Approach on Problem-Solving Ability in Mathematics among Secondary School Students in Kebbi Metropolis, Kebbi State, Nigeria . foefujs [Internet]. 2025 Dec. 10 [cited 2026 Mar. 2];2(3):237-46. Available from: https://js.foefugusau.com.ng/index.php/foefujs/article/view/207