1.
Noeruddin A, Rahmawati R. Problem-Based Learning Model for Mathematical Problem Solving Ability: Is it Effective for High School Students?. JPE [Internet]. 2025 Jan. 24 [cited 2026 Apr. 3];12(1):216-24. Available from: http://ojsdev.ikippgribojonegoro.ac.id/index.php/JPE/article/view/5064