Ramdhani, Thofiq, Yohanes Sarsetyono, & Nuraedhi Apriyanto. " OPTIMALISASI KOMPETENSI SISTEM PENGAPIAN SEPEDA MOTOR MELALUI METODE PROBLEM BASED LEARNING DENGAN TRAINER PENGAPIAN." Journal of Vocational Education and Automotive Technology [Online], 1.3 (2019): 62-67. Web. 4 Jul. 2025