Autori:
1. Borislav Malinović, University of Banja Luka, Faculty of Technology, Republic of Srpska, Bosnia and Herzegovina
2. Drazenko Bjelic, Republic of Srpska, Bosnia and Herzegovina
3. Tijana Đuričić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
4. Milica Govedarica, Republic of Srpska, Bosnia and Herzegovina

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