Author(s):
1. Nevena Jokić, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
2. Branka Rodić-Grabovac, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
3. Ljiljana Topalić-Trivunović, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina

Final paper Paper for reviews Abstract