 | Ivana Mileusnić | Serbia | |
| Vesna Budisin | Barbados | |
| Liliya Terzieva | https://ekonferencije.com/site/authorsbycountry/0 | |
| Dipl. maš. ing. Dejan Petrović | Lithuania | |
| Vojin Munćan | Serbia | |
| dr Ljiljana Popović |
Republic of Srpska, Bosnia and Herzegovina | |
| Zoran Matić | Albania | |
| dipl. mas. ing. Miljan Milosevic | Lithuania | |
 | dr Dragoslav Dobraš |
Republic of Srpska, Bosnia and Herzegovina | |
| Bojana Ekmeščić | Serbia | |
