TY - CPAPER AU - Matei Daniela TI - ENVIRONMENTAL SUSTAINABILITY TRENDS IN PROTECTED AREAS THROUGH THE DEVELOPMENT OF THE ENTREPRENEURSHIP IN ECOTOURISM T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 DO - 10.5593/sgem2012/s22.v4018 PB - Stef92 Technology ER -