Аутори:
1. Ivan Stevović, Innovation Center of the Faculty of Mechanical Engineering, University of Belgrade, Belgrade, Republ, Serbia
2. Mihailo Jovanović, Faculty of Management Herceg Novi, University Adriatik, Montenegro, Montenegro
3. Jelena Marković, Academy of Technical-Educational Vocational Studies Nis - Vranje Department , Serbia

Пријављени рад од аутора