Analisis Fuel Ratio Pada Project Penambangan di Pit 1 PT Cahaya Riau Mandiri Jobsite PT Duta Alam Sumatera: The Analysis Of Fuel Ratio On Mining Project In Pit 1 Of PT Cahaya Riau Mandiri Jobsite PT Duta Alam Sumatera. mineral [Internet]. 2023 Sep. 21 [cited 2026 Apr. 13];8(1):39-46. Available from: https://journal.ubb.ac.id/index.php/mineral/article/view/4097