Autori:
1. Tatjana Botić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
2. Mirko Petković, Rafinerija ulja Modriča, Republic of Srpska, Bosnia and Herzegovina
3. Pero Dugić, Republic of Srpska, Bosnia and Herzegovina
4. Aleksandra Šinik, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina

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