Redjeb BH, Lempas JD, Rumbayan L. PENINGKATAN HASIL BELAJAR MENGENAI MATERI KELANGKAAN EKONOMI MELALUI METODE PROBLEM BASED LEARNING (PBL) KELAS X-IIS SMA NEGERI 17 HALMAHERA SELATAN. jpe-unima [Internet]. 2025Oct.23 [cited 2025Nov.4];4(2s):12-7. Available from: https://ejurnal.unima.ac.id/index.php/jpe-unima/article/view/8098