TY - CPAPER AU - M. Sc. E. Sofianska AU - essor Dr. K. Michailidis TI - ENVIRONMENTAL IMPACT OF A LARGE-SCALE MANGANESE MINING ACTIVITY IN DRAMA DISTRICT, MACEDONIA, NORTHERN GREECE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION PY - 2013 SP - 393 EP - 400 pp DO - 10.5593/sgem2013/be5.v1/s20.052 PB - Stef92 Technology ER -