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Syper-Jędrzejak, Marzena – University of Łódź, Faculty of Management, Łódź, Poland
Sypniewska, Barbara – The University of Finance and Management, Warsaw, Poland
Szostek, Dawid – Nicalaus Copernicus University in Torun, Faculty of Economic Sciences and Management, Torun, Poland
Szymańska, Katarzyna – Lodz University of Technology, Lodz,
Słoniec, Jolanta – Lublin University of Technology, Faculty of Management, Department of Enterprise Organization, Lublin,
Słupska, Urszula – Bydgoszcz University of Science and Technology