Ramdhani, Thofiq, 		Sarsetyono, Yohanes, AND 		Apriyanto, Nuraedhi.
" OPTIMALISASI KOMPETENSI SISTEM PENGAPIAN SEPEDA MOTOR MELALUI METODE PROBLEM BASED LEARNING DENGAN TRAINER PENGAPIAN" <em>Journal of Vocational Education and Automotive Technology</em> [Online], Volume 1 Number 3 (13 February 2020)