Widodo, Bambang, 		Apriyanto, Nuraedhi, AND 		Suwignyo, Joko.
" PENINGKATAN KOMPETENSI PERBAIKAN SISTEM PENERANGAN  MENGGUNAKAN MODEL PROBLEM BASED LEARNING DI SMK BHAKTI PRAJA BATANG" <em>Journal of Vocational Education and Automotive Technology</em> [Online], Volume 1 Number 1 (3 January 2020)