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Ognjanović, Jasmina, University of Kragujevac Faculty of Hotel Management and Tourism, Vrnjačka Banja, Serbia
Olayinka Olaoye, Olayide , Department of Economics, Ajayi Crowther University, Oyo, Nigeria
Onur Ari, Yılmaz , Bayburt University, Faculty of Economics and Administrative Sciences, International Trade and Business Department, Bayburt, Turkey
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