1. Politehnica University of Timișoara,Research Centre in Engineering and Management,Management Department,Timișoara,România
2. Eskisehir Osmangazi University,Cognitive-Behavioral Application and Research Center,Eskisehir,Turkey
3. Eskisehir Osmangazi University,Business Administration Department,Eskisehir,Turkey
4. Politehnica University of Timișoara,Computer and Information Technology Department,Timișoara,România