Authors
Jelena Obradović
jelena.obradovic.vps@gmail.com
Novi Sad School of Business, Faculty of Economics, University of Niš, Serbia
jelena.obradovic.vps@gmail.com
© 2020 Jelena Obradović, Marina Đorđević, published by University of Niš, Faculty of Economics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.