AKHYAR, M., and H. M. Ridlwan. “RANCANG BANGUN SISTEM READER OTOMATIS DUMPING TRUCK DI CRUSHER PT SBA”. Prosiding Seminar Nasional Teknik Mesin, vol. 13, no. 1, Dec. 2023, pp. 120-5, https://prosiding.pnj.ac.id/sntm/article/view/1728.