Indra Nuryanneti, Sarmidi Sarmidi, Fajar Ardana. Kajian dan Analisis Produktivitas Alat Excavator Komatsu PC 500 dan Dump Truck Mercy A48x45k Pada Penambangan Batubara Banko 1 Di Area Kerja PIT 1 PPA, Site Banko Barat PT. Bukit Asam, Tbk. jits [Internet]. 2024 May 21 [cited 2026 Oct. 21];1(3):126-33. Available from: https://jurnal.akipba.ac.id/index.php/JITS/article/view/23