Author(s):
1. Sonja Popić, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
2. Ivan Ristić, Univerzitet u Novom Sadu, Tehnološki fakultet, Novi Sad, Serbia
3. Vladan Mićić, Republic of Srpska, Bosnia and Herzegovina
4. Jelena Tanasić, Univerzitet u Novom Sadu, Tehnološki fakultet, Novi Sad, Serbia
5. Vesna Cvjetinović, Univerzitet u Novom Sadu, Tehnološki fakultet, Novi Sad, Serbia
6. Svetlana Pelemiš, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina