1. Department of International Trade and Business, Inonu University, 44000 Malatya, Turkey
2. Department of Business, Nigde Omer Halisdemir University, 51240 Nigde, Turkey
3. Faculty of Applied Management, Economics and Finance, University Business Academy in Novi Sad, Jevrejska 24, 11000 Belgrade, Serbia
4. Department of METE, Engineering Faculty, Firat University, 23000 Elazig, Turkey