1. Károly Ihrig Doctoral School of Management and Business, University of Debrecen, H-4032 Debrecen, Hungary
2. Department of Engineering Management and Enterprise, Faculty of Engineering, University of Debrecen, H-4028 Debrecen, Hungary
3. DHET-NRF Sarchi Entrepreneurship Education, Department of Business Management, College of Business and Economics, University of Johannesburg, Johannesburg 2006, South Africa