Author(s):
1. Valentina Lulić, Faculty of Mechanical Engineering, University of East Sarajevo, 71123 East Sarajevo, Vuka Karadžića.,
Republic of Srpska, Bosnia and Herzegovina
2. Dušan Golubović, Faculty of Mechanical Engineering, University of East Sarajevo, 71123 East Sarajevo, Vuka Karadžića.,
Republic of Srpska, Bosnia and Herzegovina
3. Borislav Savković, Faculty of Technical Sciences, Department for Production Engineering, Serbia
4. Pavel Kovač, Faculty of Technical Sciences, Department for Production Engineering, Serbia
5. Dušan Ješić, International technology Management Academy, Novi Sad, 6. Branislav Dudić, Comenius University, Faculty of Management, Slovakia, Slovakia