PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN HASIL BELAJAR MATERI GENRE MUSIK DI KELAS X-1 SMA SWASTA SANTO PAULUS MEDAN. JRB [Internet]. 2025 Jul. 25 [cited 2026 Feb. 4];1(3):73-81. Available from: https://jurnal.ruangbudaya.org/index.php/jrb/article/view/46