Halime Hajra. "EXPLOTATION OF COAL OF KOSOVO BASIN USE AND THEIR IMPACT ON ENVIRONMENT." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining (2016). https://doi.org/10.5593/sgem2016/b11/s01.023