Author(s):
1. Irena Havreljuk, Republic of Srpska, Bosnia and Herzegovina
2. Aleksandra Šinik, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
3. Tatjana Botić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
4. Pero Dugić, Republic of Srpska, Bosnia and Herzegovina

Applied paper from author