Author(s):
1. Pavel Kovač, Faculty of Technical Sciences, Department for Production Engineering, Serbia
2. Dušan Ješić, International technology Management Academy, Novi Sad, 3. Dušan Golubović, University of East Sarajevo, Faculty for Mechanical Engineering East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
4. Nenad Kulundžić, Faculty of Technical Sciences, Department for Production Engineering, Serbia