Adam Ryszko (2017). ENVIRONMENTAL PERFORMANCE IMPROVEMENT WITHIN AN INTEGRATED MANAGEMENT SYSTEM - MANAGERS- AND EMPLOYEES- PERSPECTIVE. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2017 17th International Multidisciplinary Scientific GeoConference, 325-336. https://doi.org/10.5593/sgem2017/53/s21.041