“Pengaruh Model Pembelajaran Problem Based Learning terhadap Hasil Belajar Konsentrasi Keahlian TKJT Kelas XI SMK N 2 Bitung”, jemtech, p. 66 70, Jun. 2024, Accessed: Dec. 19, 2025. [Online]. Available: https://ejurnal.unima.ac.id/index.php/jemtec/article/view/9439