Authors
Jelena Petrović
University of Niš, Faculty of Science and Mathematics, Republic of Serbia
Snežana Radukić
snezana.radukic@eknfak.ni.ac.rs
University of Niš, Faculty of Economics, Republic of Serbia
Milica Radović
University of Union, Faculty of Law and Business Studies “Lazar Vrkatić” Novi Sad, Republic of Serbia