Author(s):
1. Dušan Ješić, International technology Management Academy, Novi Sad, 2. Pavel Kovač, Faculty of Technical Sciences, Department for Production Engineering, Serbia
3. Borislav Savković, Faculty of Technical Sciences, Department for Production Engineering, Serbia
4. Branko Štrbac, Fakultet tehničkih nauka Univerziteta u Novom Sadu, Serbia
5. Branislav Dudić, Comenius University, Faculty of Management, Slovakia, Slovakia