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Author(s):
1. Vladimir Lukić, BIN Commerce d.o.o., Belgrade, SERBIA, Serbia
2. Đorđe Mirjanić, JZU Dom zdravlja Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina
3. Predrag Dašić, SaTCIP Publisher Ltd., 36610 Vrnjačka Banja i Visoka tehnička mašinska škola strukovnih studija (VTM, Serbia
Applied paper from author