![](/public/site/images/dadiahmadi/1438601401.png)
Octo Fredy Syahputra
Teknik Pertambangan, Fakutas Teknik Universitas Islam Bandung
Indonesia
Linda Pulungan
Teknik Pertambangan, Fakutas Teknik Universitas Islam Bandung
Indonesia
Sriyanti Sriyanti
Teknik Pertambangan, Fakutas Teknik Universitas Islam Bandung
Indonesia
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