Yasmanto, Yasmanto, 		Sarsetyono, Yohanes, AND 		Apriyanto, Nuraedhi.
" MENINGKATKAN KOMPETENSI SISTEM TRANSMISI KENDARAAN RINGAN DENGAN MODEL PROBLEM BASSED LEARNING (PBL)" <em>Journal of Vocational Education and Automotive Technology</em> [Online], Volume 3 Number 1 (28 April 2021)