TY - JOUR PB - The Committee on Organizational and Management Sciences PB - Warsaw School of Economics L2 - http://journals.pan.pl/Content/98719 PY - 2013 IS - No 157 T1 - OFICYNA WYDAWNICZA SGH POLECA UR - http://journals.pan.pl/dlibra/publication/edition/98719 T2 - Organization and Management ER -