1. Faculty of Social Sciences and Humanities, Humanitas University, 41-200 Sosnowiec, Poland
2. Faculty of Social and Computer Sciences, National Louis University, 33-300 Nowy Sącz, Poland
3. Faculty of Commerce, University of Economics in Bratislava, 852-35 Bratislava, Slovakia
4. Institute of Public Administration and Business, WSEI University, 20-209 Lublin, Poland
5. Academic and Research Institute of Business, Economics and Management, Sumy State University, 40-007 Sumy, Ukraine
6. Faculty of Management, Lublin University of Technology, 20-618 Lublin, Poland