TY - CPAPER AU - Anna Gembalska-Kwiecien TI - IMPROVEMENT OF THE WORK SAFETY MANAGEMENT SYSTEM IN HARD COAL MINING WITH SPECIAL REFERENCE TO THE PROBLEM OF WORKERS PARTICIPATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining PY - 2017 SP - 429 EP - 436 DO - 10.5593/sgem2017/13/s03.055 PB - STEF92 Technology ER -