TY - CPAPER AU - G. Zimon TI - ADVANTAGES AND DISADVANTAGES OF COMPANIES OPERATING IN GROUP PURCHASING ORGANIZATIONS T2 - 4th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2017 PY - 2017 SP - 33 EP - 40 DO - 10.5593/sgemsocial2017/15/S05.005 PB - STEF92 Technology ER -