Analisis Sifat Mekanik Batuan Terhadap Kemampugaruan Bulldozer Dan Kemampugalian Excavator Untuk Mencapai Target Produksi Overburden PT Berau Coal: Analysis Of Mechanical Properties Of Rocks On The Capability Of Bulldozers And The Ability Of Backhoe Excavators To Achieve Overburden Production Targets At PT Berau Coal East Kalimantan. mineral 2023, 8 (1), 8-13. https://doi.org/10.33019/mineral.v8i1.4089.