 | Milan Milovanović | Serbia | |
| Mohamed Gebril | https://ekonferencije.com/site/authorsbycountry/0 | |
| Tomasz Kudasik | https://ekonferencije.com/site/authorsbycountry/0 | |
| Slawomir Miechowicz | https://ekonferencije.com/site/authorsbycountry/0 | |
| Pavle Stepanić | Serbia | |
| VISHNU KUMAR PALANISWAMY | https://ekonferencije.com/site/authorsbycountry/0 | |
| Biljana Prochaska |
Republic of Srpska, Bosnia and Herzegovina | |
