共 2 条
- [1] Legal Regulation of Environmental Problems of Coal Mining in Russian Federation<bold> </bold> IIIRD INTERNATIONAL INNOVATIVE MINING SYMPOSIUM, 2018, 41
- [2] SAFETY SCHEMES AND ENVIRONMENTAL PROTECTION IN COAL MINING AREAS - A CASE STUDY. Journal of the Institution of Engineers. India. Mining Engineering Division, 1987, 67 (pt 2): : 41 - 45