 | Stevan Jovičić | Serbia | |
| Sevde Stavreva | Macedonia | |
| Aleksandar Marinković | Serbia | |
| Milomir Čupović | Saudi Arabia | |
| VAHID BAGHER POOR | https://ekonferencije.com/site/authorsbycountry/0 | |
| Zoran Janjuš |
Republic of Srpska, Bosnia and Herzegovina | |
| Radomir Đokić | Serbia | |
| Mihailo Lazarevic | Serbia | |
| Said Eshtewi | https://ekonferencije.com/site/authorsbycountry/0 | |
| Melisa Velic |
Federation of Bosnia and Herzegovina
, Bosnia and Herzegovina | |
