Author(s):
1. Dragana Grujić, Faculty of Technology Banja Luka,
Republic of Srpska, Bosnia and Herzegovina
2. Aleksandar Savić, 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
4. Maja Čiča, Faculty of Technology Banja Luka,
Republic of Srpska, Bosnia and Herzegovina
5. Ljubica Vasiljević, Faculty of Technology - University of East Sarajevo,
Republic of Srpska, Bosnia and Herzegovina
6. Mitja Kolar, Fakulteta za kemijo in kemijsko tehnologijo, Slovenia