PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP MOTIVASI BELAJAR SISWA KELAS XI OTKP SMK NEGERI 2 TONDANO. jpe-unima [Internet]. 2025 Dec. 28 [cited 2026 Mar. 4];6(2):479-88. Available from: https://ejurnal.unima.ac.id/index.php/jpe-unima/article/view/13309