Pascal, Tan Hian Nio, Simbolon K. Evaluating the Influence of Problem-Based Learning on High School Students’ Mathematics Performance. EduMatSains [Internet]. 2026 Apr. 30 [cited 2026 Jun. 30];10(4):341-8. Available from: https://ejournal.uki.ac.id/index.php/edumatsains/article/view/7647