SKRIPSI ANALISIS PRODUKTIVITAS ALAT GALI MUAT …
ANALISIS PRODUKTIVITAS ALAT GALI MUAT BACKHOE PC 400 UNTUK MEMENUHI TARGET ... COAL PRODUCTION TARGETS 600,000 TONS / MONTH IN MUARA TIGA BESAR UTARA PT. BUKIT ASAM, TBK TANJUNG ENIM SOUTH ... holding company engaged in energy and coal mining. Mining system at PT. Bukit Asam, Tbk uses an open pit mining system with shovel and truck methods and ...