Author(s):
1. Dragana Nešković Markić, Republic of Srpska, Bosnia and Herzegovina
2. Hristina Stevanović Čarapina, Serbia
3. Željka Šobot Pešić, Republic of Srpska, Bosnia and Herzegovina
4. Ljiljana Stojanović Bjelić, Republic of Srpska, Bosnia and Herzegovina
5. Drazenko Bjelic, Republic of Srpska, Bosnia and Herzegovina
6. Predrag Ilić, JNU Institut za zaštitu i ekologiju Republike Srpske, Banja Luka, Republic of Srpska, Bosnia and Herzegovina

Final paper