Author(s):
1. Tatjana Botić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
2. Dijana Drljača, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
3. Aleksandra Šinik, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina

Final paper Paper for reviews Abstract