TY - CPAPER AU - M. Wyganowska TI - ESTABLISHING THE OPTIMAL NUMBER OF PRIORITY COMMUNICATION LEVELS IN AN ORGANIZATIONAL STRUCTURE BASED ON MINING COMPANIES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining PY - 2018 SP - 389 EP - 396 DO - 10.5593/sgem2018/1.3/s03.050 PB - STEF92 Technology ER -