Author(s):
1. Mitar Lutovac, FM Herceg Novi , Montenegro
2. Marko Matić, Nikola Tesla Belgrade University, Faculty of Business and Industrial Management Belgrade, Serbia
3. Ivan Jovanović, Nikola Tesla Belgrade University, Faculty of Business and Industrial Management Belgrade, Serbia
4. Zoran Jovanović, Nikola Tesla Belgrade University, Faculty of Business and Industrial Management Belgrade, Serbia
5. Zvezdan Ilić, Nikola Tesla Belgrade University, Faculty of Business and Industrial Management Belgrade, Serbia
6. Bojana Lutovac, Nikola Tesla Belgrade University, Faculty of Business and Industrial Management Belgrade, Serbia