TY - CPAPER AU - Sorin-Iuliu Mangu TI - VARIOUS SCHEMES GIVEN BY THE REORGANIZATION OF BIG ENERGY COMPANIES TO INCREASE THEIR EFFICIENCY T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining PY - 2016 DO - 10.5593/sgem2016/b12/s03.129 PB - Stef92 Technology ER -