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 [Internet]. 2023 Jun. 25 [cited 2026 Jun. 7];8(1):8-13. Available from: https://journal.ubb.ac.id/index.php/mineral/article/view/4089