Irawati; Anggraini; Baharuddin. PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI FUNGSI KOMPOSISI DI KELAS X SMAN 5 PALU: Application of Problem Based Learning (PBL) Model to Improve Students’ Learning Outcomes on Composition Function Material in Class X of SMAN 5 Palu. JEPMT 2025, 12, 199-206.