Author(s):
1. Duška Bjelobrk, Agricultural institut RS, Republic of Srpska, Bosnia and Herzegovina
2. Pero Dugić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
3. Tatjana Cvijanović, Republic of Srpska, Bosnia and Herzegovina
4. Tatjana Botić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina

Abstract Final paper Paper for reviews