Analisis Perhitungan Biaya Penambangan Batu Silika Pada Departemen Tambang PT Semen Padang
Cement manufacturing is consisting of four components that are limestone with the percent composition of 70%, iron sand 10%, silica 10%, and clay 10%. Source of major raw materials for cement production in PT Semen Padang are limestone and silica. The mining process is involving various costs such a...
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Format: | Article |
Language: | English |
Published: |
Universitas Andalas
2011-04-01
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Series: | Jurnal Optimasi Sistem Industri |
Online Access: | http://josi.ft.unand.ac.id/index.php/josi/article/view/128 |