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. A. Kekić, PIK Bečej a.d., 21220 Bečej, Serbia, Serbia
5. B. Nedić, Faculty of Engineering, University of Kragujevac, 34000 Kragujevac, Serbia, Serbia
6. B. Dudić, Faculty of Management, Comenius University in Bratislava, 82005 Bratislava, Slovakia, Slovakia
7. Mile Stoiljković, NIS Gazpromneft, Lubricants Department, Milentija Popovica 1, Belgrade, Serbia, Serbia
8. Dražen Sarjanović, Sara-Mont. Doo,, Serbia