Sasra, Nuzul Sandria, Universitas Negeri Padang, Indonesia
Vol 4, No 1 (2019): JURNAL BINA TAMBANG - Articles
The Planning of Supply Requirments for Heavy Equipments and Costs Coal Mine to Reach The Production Target at Langkok Pit 1 Site PTBA UPO (Persero) Tbk, West Sumatra On 2017. AbstractPDF