Kajian Kadar Batas Optimum (Orytimum Cut-off Grade) pada Penambangan Nikel Laterit dengan Penjualan dalam Bentuk Material Bijih Mentah
<p>Optimum cut-off grade (COG) is approached by 112 degree equation of A component divided by B component. A component is defined as variable costs appeared along nickel mining chain and fixed costs, whereas B component is acted as production dues, nickel ore prices in global market, character...
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[Yogyakarta] : Fakultas Teknik UGM
2013
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