Rumbino, Micere Cordias Domini, Yohanes Agus Jayatun, and Sutrisna. “Mitigasi Resiko Kerusakan Pada Engine Underground LHD Berdasarkan Metode Oil Analysis Di Tambang Bawah Tanah Grasberg Block Caving (GBC) PT. Freeport Indonesia”. CENDEKIA MEKANIKA 5, no. 1 (March 20, 2024): 21-28. Accessed July 3, 2024. //journal.itny.ac.id/index.php/cendekia/article/view/4797.