PENERAPAN MODEL PROBLEM BASED LEARNING TERHADAP HASI BELAJAR MATEMATIKA PESERTA DIDIK KELAS XI SMA NEGERI 3 PAYAKUMBUH. JEPM [Internet]. 2025 Dec. 1 [cited 2025 Dec. 6];14(4):215-20. Available from: https://jepm.ppj.unp.ac.id/index.php/jepm/article/view/229