 | Miroslav Milješić | Spain | |
| Miodrag Milutinović | Albania | |
| STOJAN PETROVIĆ | https://ekonferencije.com/site/authorsbycountry/0 | |
| Gabriel Nicolae Popa | https://ekonferencije.com/site/authorsbycountry/0 | |
| Igor Andreevski | Macedonia | |
| PhD Dragi Stamenković | Serbia | |
| Milosav Ognjanovic | Serbia | |
| Dušan Jovanić | Serbia | |
| Mirjana Radišić | Algeria | |
| Nicolae Pop | https://ekonferencije.com/site/authorsbycountry/0 | |
