Rachman, Natriya Faisal, and Arief Darmawan. “Design of Automatic Detection System for Railway Facility Maintenance”. Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) 2, no. 2 (November 20, 2018): 120–126. Accessed June 4, 2026. https://jurnal.ppi.ac.id/jpi/article/view/19.