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Author(s):
1. Milan Sljivic, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina
2. Dragoljub Mirjanić, Akademija nauka i umjetnosti Republike Srpske,
Republic of Srpska, Bosnia and Herzegovina
3. Nataša Šljivić, Medicinski fakultet Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina
4. Cristiano Fragassa, University of Bologna, Department of Industrial Engineering, Italy
5. Ana Pavlović, University of Bologna, Department of Industrial Engineering, Italy