Author(s):
1. Marija Mitrović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
2. Aleksandra Josipović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
3. Milorad Tomić, Republic of Srpska, Bosnia and Herzegovina
4. Miomir Pavlović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina