1. Department of General Management and Organization, Faculty of Economics and Business, University of Maribor, 2000 Maribor, Slovenia
2. Department of Quantitative Economic Analysis, Faculty of Economics and Business, University of Maribor, 2000 Maribor, Slovenia
3. Department of Entrepreneurship and Business Economics, Faculty of Economics and Business, University of Maribor, 2000 Maribor, Slovenia