Author(s):
1. Aleksandar Savić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
2. Nataša Božić, Republic of Srpska, Bosnia and Herzegovina
3. Dijana Maletić, Republic of Srpska, Bosnia and Herzegovina
4. Vera Simić, Republic of Srpska, Bosnia and Herzegovina
5. Ljubinka Momić, Republic of Srpska, Bosnia and Herzegovina

Paper for reviews Final paper Abstract