Author(s):
1. Vesna Gojković Cvjetković, University of East Sarajevo, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
2. Grujić Radoslav,
Republic of Srpska, Bosnia and Herzegovina
3. Željka Marjanović-Balaban,
Republic of Srpska, Bosnia and Herzegovina
4. Danijela Rajić, Faculty of Technology - University of East Sarajevo,
Republic of Srpska, Bosnia and Herzegovina