TY - CPAPER AU - Eugenia Tigan AU - Oana Brinzan AU - Monica Lungu AU - Anda Ioana Milin TI - CASE STUDY ON PEOPLE'S PERCEPTIONS OF AIR QUALITY T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2017 17th International Multidisciplinary Scientific GeoConference PY - 2017 SP - 225 EP - 232 DO - 10.5593/sgem2017/53/s21.028 PB - STEF92 Technology ER -