Metusala YA, Wuisang J, Kandori I. MENINGKATKAN MOTIVASI BELAJAR SISWA MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING PADA MATA PELAJARAN IPS DI KELAS IX SMP ADVENT TONDANO. jpe-unima [Internet]. 2025Oct.23 [cited 2025Nov.4];4(1s):74-83. Available from: https://ejurnal.unima.ac.id/index.php/jpe-unima/article/view/8154