Hutabara, Yuliawan, Yohanes Sarsetyono, & Nuraedhi Apriyanto. " Peningkatan PerawatanEngine Konvensional Kijang 5k Melalui Model Pembelajaran Problem Based Learning Pada Siswa SMK." Journal of Vocational Education and Automotive Technology [Online], 1.3 (2019): 68-73. Web. 5 Jul. 2025