TY - CPAPER AU - Andrea Seňová TI - INFLUENCE OF ECONOMICAL AND MARKETING ENVIRONMENT TO THE EFFECTIVENESS OF INVESTMENT OF MINING BUSINESS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference PY - 2011 DO - 10.5593/sgem2011/s22.123 PB - Stef92 Technology ER -