“Pengaruh Model Pembelajaran Problem Based Learning Terhadap Hasil Belajar Konsentrasi Keahlian TKJT Kelas XI SMK N 2 Bitung”. 2024. Journal of Education Method and Technology : JEMTech, June, 66 70. https://ejurnal.unima.ac.id/index.php/jemtec/article/view/9439.