Authors
Iwona Zdonek
Silesian University of Technology in Gliwice, Faculty of Organization and Management,, Gliwice, Poland
Marzena Podgórska
Silesian University of Technology in Gliwice, Faculty of Organization and Management,, Gliwice, Poland
Beata Hysa
Silesian University of Technology in Gliwice, Faculty of Organization and Management,, Gliwice, Poland
