Research on environmental improvement and restoration in open-pit coal mining activities at the intersection mine of Quang Hanh Coal One Member Limited Liability Company - Vinacomin, Cam Pha city, Quang Ninh province - 12
REFERENCES I. Vietnamese documents : 1. Open Encyclopedia (2013), Open Pit Mining , vi.wikipedia.org/wiki/Open_pit_mining (August 23, 2013). 2. Open Encyclopedia (2013), Mining , vi.wikipedia.org/wiki/Mining (November 11, 2013). 3. Quang Hanh Coal Company Limited - Vinacomin (2011), Environmental ...





