Mining Industry Journal
Issue 6 [12 - 2011], Year XXV
![QR Code - Online: Issue 6 [12 - 2011], Year XXV](https://tapchi.hoimovietnam.vn/modules/mod_tapchi/qr/mij_XXV_6_1106.png "QR Code - Online: Issue 6 [12 - 2011], Year XXV")
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Mining Industry Journal
No. 226 Le Duan Street, Dong Da District, Hanoi City
Tel:(+84-24) 36649158 Fax: (+84-24) 366159
Email:tccongnghiepmo@gmail.com
Mining Industry Journal
Issue 6 [12 - 2011], Year XXV
Mining Industry Journal No. 226 Le Duan Street, Dong Da District, Hanoi City Tel:(+84-24) 36649158 Fax: (+84-24) 366159 Email:tccongnghiepmo@gmail.com