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Zoran Lukić
Univerzitet u Banjoj Luci, Ekonomski fakultet u Banjoj Luci, Bosna i Hercegovina
University of Banja Luka, Faculty of Economics Banja Luka, Bosnia and Herzegovina
Amela Mustafić
BH Gas Sarajevo, Bosna i Hercegovina
BH Gas Sarajevo, Bosnia and Herzegovina
Dragana Došenović
Univerzitet u Banjoj Luci, Ekonomski fakultet u Banjoj Luci, Bosna i Hercegovina
University of Banja Luka, Faculty of Economics Banja Luka, Bosnia and Herzegovina