Author(s):
1. Rada Petrovic, Republic of Srpska, Bosnia and Herzegovina
2. Sanja Dobrnjac, Republic of Srpska, Bosnia and Herzegovina
3. Jelena Penavin-Škundrić, Prirodno-matematički fakultet Banja Luka, Republic of Srpska, Bosnia and Herzegovina
4. Zorica Levi, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
5. Darko Bodroža, Republic of Srpska, Bosnia and Herzegovina
6. Mirko Petković, Republic of Srpska, Bosnia and Herzegovina
7. Trivo Stanković, Republic of Srpska, Bosnia and Herzegovina

Paper for reviews Abstract Final paper