1. Department of Production Engineering, Faculty of Technical Sciences, University of Novi Sad, 21000 Novi Sad, Serbia
2. Department of Production Technology, Technische Universität Ilmenau, 98693 Ilmenau, Germany
3. Faculty of Technical Sciences, University of Novi Sad, 21000 Novi Sad, Serbia
4. Faculty of Economics and Engineering Management, University Business Academy Novi Sad, 21107 Novi Sad, Serbia