 | Ranko Radonjic | https://ekonferencije.com/site/authorsbycountry/0 | |
| Dusan Jovanic | Algeria | |
| Slobodan Mišanović | Serbia | |
| Adnan Ramakić |
Federation of Bosnia and Herzegovina
, Bosnia and Herzegovina | |
| Tihomir Mačkić |
Republic of Srpska, Bosnia and Herzegovina | |
 | Doc. Strain Posavljak |
Republic of Srpska, Bosnia and Herzegovina | |
| diplomirani inzenjer Nikica Prskalo |
Republic of Srpska, Bosnia and Herzegovina | |
| Mr. Saša MILOJEVIĆ | Serbia | |
| Dr Dragan Cvetković | Serbia | |
| Ivana Maksimovic | Armenia | |
