Authors
Barbara Roszkowska-Mądra
Faculty of Economics and Management, University of Bialystok, Warszawska 63, 15–062, Białystok, Poland
Renata Przygodzka
Faculty of Economics and Management, University of Bialystok, Warszawska 63, 15–062, Białystok, Poland
Adam Sadowski
Faculty of Economics and Management, University of Bialystok, Warszawska 63, 15–062, Białystok, Poland