“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”. 2023. MINERAL 8 (1): 8-13. https://doi.org/10.33019/mineral.v8i1.4089.