 | Djordje Vukelic | Serbia | |
 | Đorđe Čantrak | Serbia | |
| Milan Rackov | Serbia | |
| Hamed Khaki | https://ekonferencije.com/site/authorsbycountry/0 | |
| Slaviša Todorović |
Republic of Srpska, Bosnia and Herzegovina | |
| Vladimir Pajkovic | Montenegro | |
| Milan Lečić | Serbia | |
| Milan Djordjevic | Lithuania | |
| MERSIDA MANJGO |
Federation of Bosnia and Herzegovina
, Bosnia and Herzegovina | |
| Milica Grahovac | https://ekonferencije.com/site/authorsbycountry/0 | |
