Pengaruh Model Pembelajaran Problem Based Learning terhadap Hasil Belajar Konsentrasi Keahlian TKJT Kelas XI SMK N 2 Bitung. jemtech [Internet]. 2024 Jun. 3 [cited 2025 Dec. 19];:66 70. Available from: https://ejurnal.unima.ac.id/index.php/jemtec/article/view/9439