Rifqiantama, R., G. G. R. Gunadi, and N. Hidayati. “Perawatan Dan Perbaikan Belt Bucket Elevator 65BE57 Dan 66BE57 Di PT. XYZ”. Prosiding Seminar Nasional Teknik Mesin, vol. 12, no. 1, Dec. 2022, pp. 920-7, https://prosiding.pnj.ac.id/sntm/article/view/131.