TY - CPAPER AU - Agnieszka Janik TI - THE ANALYSIS OF EXISTING INDICATORS, METHODS AND TOOLS FOR MEASURING CIRCULARITY IN THE CONTEXT OF THEIR FUTURE DEVELOPMENT T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2017 17th International Multidisciplinary Scientific GeoConference PY - 2017 SP - 43 EP - 50 DO - 10.5593/sgem2017/53/s21.006 PB - STEF92 Technology ER -