Widodo, Bambang, Nuraedhi Apriyanto, & Joko Suwignyo.
" 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], 1.1 (2019): 14-20. Web.  5 Jul. 2025