1. Department of Management and Organization, Erzincan Binali Yıldırım University, Erzincan, Turkey
2. School of Education, Polytechnic Institute of Coimbra, Coimbra
3. CEOS.PP - Centro de Estudos Organizacionais e Sociais, Portugal
4. Centre of Applied Research in Management and Economics (CARME), Polytechnic of Leiria, School of Technology and Management, Leiria, Portugal