Manurung, V. A., and F. Ariyahya. “MENURUNKAN BIAYA UNSCHEDULE BREAKDOWN AKIBAT FRONT DRIVE SHAFT LEPAS DENGAN PEMBUATAN ENGINE SAFETY CUT OFF PADA UNIT HD1500-7 FMC PAMA BATUKAJANG”. Technologic, vol. 6, no. 2, Dec. 2015, https://technologic.polytechnic.astra.ac.id/index.php/firstjournal/article/view/166.