Delibašić Milica, University Mediterranean, Faculty of Economics and Business, Podgorica, Montenegro.Email: 23.mildel@gmail.com Volume 1, No. 1, May 2019.

Čolaković Radomir, University of East Sarajevo,Faculty of Philosophy, Pale, Banja Luka, Bosnia and Herzegovina. Email: rimodar55@eunet.rs Volume 1, No. 1, May 2019.

Bera Oskar, University of Novi Sad, Faculty of Technology Novi Sad, Novi Sad, Serbia. email: obera@uns.ac.rs Volume 1, No. 1, May 2019.