Yasmanto, Yasmanto, Yohanes Sarsetyono, & Nuraedhi Apriyanto. " MENINGKATKAN KOMPETENSI SISTEM TRANSMISI KENDARAAN RINGAN DENGAN MODEL PROBLEM BASSED LEARNING (PBL)." Journal of Vocational Education and Automotive Technology [Online], 3.1 (2021): 1 - 11. Web. 27 Nov. 2021