Author(s):
1. Marija Mitrović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
2. Katarina Crljenić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
3. Mihael Bučko, University of Defense, Military Academy, , Serbia
4. Milorad Tomić, Republic of Srpska, Bosnia and Herzegovina
5. Jelena Bajat, University of Belgrade, Faculty of Technology and Metallurgy, , Serbia