Optimasi Konsumsi Fuel Dump Truck Terhadap Pengaruh Grade Jalan Pada Aktivitas Penambangan Pada PT. Pamapersada Nusantara Kecamatan Sangatta Utara Kabupaten Kutai Timur: Optimization Of Dump Truck Fuel Consumption In The Effect Of Road Grade In Mining Activities In PT Pamapersada Nusantara Subdistrict Sangatta Utara Distric Kutai Timur. mineral [Internet]. 2022 Nov. 15 [cited 2026 Apr. 20];7(2):8-13. Available from: https://www.journal.ubb.ac.id/index.php/mineral/article/view/3338