TY - CPAPER AU - A. Kijewska TI - THE ANALYSIS OF THE IMPACT OF OPERATIONAL AND NON-OPERATIONAL ACTIVITIES ON ROE T2 - 5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018 PY - 2018 SP - 341 EP - 348 DO - 10.5593/sgemsocial2018/1.3/S03.041 PB - STEF92 Technology ER -