Author(s):
1. Slaviša Jovanović, Mitas d.o.o, Serbia
2. Gordana Markovic, Tigar A.D., Pirot, Serbia
3. Vojislav Jovanović, Faculty of Natural Science and Mathematics, University of Priština, Serbia
4. Milena Marinovic-Cincovic, University of Belgrade, Vinča Institute of Nuclear Sciences, Serbia, Serbia
5. Dejan Kojić, Univerzitet za poslovni inženjering i menadžment, Tehnički fakultet, Banja Luka, Republic of Srpska, Bosnia and Herzegovina
6. Suzana Samaržija-Jovanovic, PMF Kosovska Mitrovica, Serbia
7. Tamara Erceg, Univerzitet u Novom Sadu, Tehnološki fakultet, Novi Sad, Serbia
8. Jaroslava Budinski-Simendic, Univerzitet u Novom Sadu, Tehnološki fakultet, Novi Sad, Serbia