Authors
Dušica Semenčenko
University of Belgrade, Institute “Mihajlo Pupin”, Serbia
© 2020 Nikola Vasilić, Dušica Semenčenko, Sanja Popović-Pantić, published by University of Niš, Faculty of Economics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.