Author(s):
1. Rade Biočanin, Državni univerzitet u Novom Pazaru, Novi Pazar, Serbia
2. Esad Jakupovic, Republic of Srpska, Bosnia and Herzegovina
3. Sonja Ketin, Faculty of Maritime Academic Studies, Belgrade, Belgrade 2- University of Defense of Belgrade, Milit, Serbia
4. Mubina Čolaković, Internacionalni univerzitet Travnik, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina