2023. 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. 8, 1 (Jun. 2023), 8–13. DOI:https://doi.org/10.33019/mineral.v8i1.4089.