Author(s):
1. Marica Dugić, Rafinerija ulja Modriča, Republic of Srpska, Bosnia and Herzegovina
2. Aleksandra Šinik, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
3. Goran Dugić, Rafinerija ulja Modriča, Republic of Srpska, Bosnia and Herzegovina
4. Pero Dugić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina

Applied paper from author