Jerkić was also a participant at numerous conferences, for instance in the International Commission for the Protection of the Danube River.
Željko Joksimović | Željko Ivanek | Željko Čajkovski | The Best of Željko Joksimović | Željko Ražnatović | Željko Obradović | Željko Malnar | Željko Lukajić | Željko Kalac | Zeljko Joksimovic | '''Željko Jerkić''' (speaking), at the Conference on Facilitating the Entry into Force of Comprehensive Nuclear-Test-Ban Treaty | Zeljko Ivanek | Željko Blagojević |