TY - CPAPER AU - Marketa Rolcikova TI - POSSIBLE WAYS OF CALCULATING LABOUR PRODUCTIVITY IN SELECTED MINING COMPANIES OF THE CZECH REPUBLIC T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2013 DO - 10.5593/sgem2013/ba1.v1/s03.049 PB - Stef92 Technology ER -