Erliza R, Permana D, Fauzan A, Syarifuddin H. The Development of Mathematical Learning Materials Based on Problem-Based Learning to Enhance Problem-Solving Ability at Senior High School. Scaffolding [Internet]. 2023Sep.13 [cited 2025Aug.1];5(3):450-64. Available from: https://ejournal.insuriponorogo.ac.id/index.php/scaffolding/article/view/3742