Аутори:
1. Dragana Kostić, University of East Sarajevo, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
2. Marija Mitrović, Технолошки факултет у Источном Сарајеву,
Republic of Srpska, Bosnia and Herzegovina
3. Milorad Tomić, University of East Sarajevo, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
4. Duško Kostić, University of East Sarajevo, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina