Pengaruh Fragmentasi Terhadap Digging Time Dan Produktivitas Excavator Liebher R9400 Pada Area Peledakan PT Dahana Site Adaro: The Effect Of Fragmentation On The Digging Time And Productivity Of Liebher R9400 Excavator At the Blasting Area Of PT Dahana Site Adaro. mineral 2020, 5 (2), 7-11. https://doi.org/10.33019/mineral.v5i2.3067.