Ridho Saputro. “Dual System Education and Diagnostic Trouble Box (DTB) in Learning at Intercompany Training Mercedez Kraftfahrzeuggewerbe Saarländischer KFZ-Verband Trainingszentrum–Saarbrücken Germany”. Ideguru: Jurnal Karya Ilmiah Guru 4, no. 1 (October 1, 2019): 75-83. Accessed April 25, 2024. https://jurnal-dikpora.jogjaprov.go.id/index.php/jurnalideguru/article/view/85.