Apriliawati MPL, Kandori I, Tiwow G. PENINGKATAN HASIL BELAJAR EKONOMI MELALUI METODE PROBLEM BASED LEARNING ( PBL) SISWA KELAS XI DI SMA KATOLIK ATMAJAYA TOLITOLI. jpe-unima [Internet]. 2025Oct.23 [cited 2025Nov.4];5(1s):170-5. Available from: https://ejurnal.unima.ac.id/index.php/jpe-unima/article/view/8703