 | Milan Lečić | Serbia | |
| Milan Djordjevic | Lithuania | |
| MERSIDA MANJGO |
Federation of Bosnia and Herzegovina
, Bosnia and Herzegovina | |
| Milica Grahovac | https://ekonferencije.com/site/authorsbycountry/0 | |
| PhD student Vladan Andonovic | Macedonia | |
| Gligorce Vrtanoski | https://ekonferencije.com/site/authorsbycountry/0 | |
| Remigiusz LABUDZKI | Poland | |
 | Almir Blazevic |
Federation of Bosnia and Herzegovina
, Bosnia and Herzegovina | |
| Boran Pikula |
Federation of Bosnia and Herzegovina
, Bosnia and Herzegovina | |
| Stevan Jovičić | Serbia | |
