Author(s):
1. Ljubica Vasiljević, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
2. Miladin Gligorić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
3. Sanja Dobrnjac, Projekt, Republic of Srpska, Bosnia and Herzegovina
4. Vojislav Aleksić, Republic of Srpska, Bosnia and Herzegovina
5. Danijela Rajić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina