 | Dijana Nadarević | Slovenia | |
| Khaled Sharaf | https://ekonferencije.com/site/authorsbycountry/0 | |
| Branka Kalanovic-Bulatovic | Serbia | |
| Researcher Assistant Sasa Pavlovic | Serbia | |
| Dusko Jovanovic | https://ekonferencije.com/site/authorsbycountry/0 | |
| Marijenka Tabaković | Albania | |
| Dalibor Tomić | Andorra | |
| Stefan Ninkovic | Armenia | |
| mr poljoprivrednih n Nenad Malić |
Republic of Srpska, Bosnia and Herzegovina | |
| Snežana Jovanović | Serbia | |
