Authors
Joanna Jaszczuk
Faculty of Economic Sciences, University of Warsaw, Warsaw, Poland
Anna Białek-Jaworska
Faculty of Economic Sciences, University of Warsaw, Warsaw, Poland
Krzysztof Opolski
Faculty of Economic Sciences, University of Warsaw, Warsaw, Poland
Marek Sylwestrzak
Faculty of Economic Sciences, University of Warsaw, Warsaw, Poland
Katarzyna Trzpioła
Faculty of Management, University of Warsaw, Warsaw, Poland
