Autori:
1. Pavel Kovač, Faculty of Technical Sciences, Department for Production Engineering, Serbia
2. Branislav Dudić, University Business Academy, Faculty of Economics and Engineering Management, 21000 Novi Sad, Serbia, Serbia
3. Borislav Savković, Faculty of Technical Sciences, Department for Production Engineering, Serbia
4. Dušan Ješić, International technology Management Academy, Novi Sad,