Authors
Izabela Rącka
Faculty of Social Sciences and Humanities The President Stanisław Wojciechowski State University of Applied Sciences in Kalisz,, Kalisz, Poland
Sławomir Palicki
Faculty of Management Poznań University of Economics and Business,, Poznan, Poland
Małgorzata Krajewska
Faculty of Economic Sciences and Management Nicolaus Copernicus University in Torun,, Torun, Poland
Kinga Szopińska
Faculty of Civil and Environmental Engineering and Architecture UTP University of Science and Technology,, Bydgoszcz, Poland
Olgierd Kempa
Faculty of Environmental Engineering and Geodesy Wroclaw University of Environmental and Life Sciences,, Wroclaw, Poland