Youth Perception on 5G Networks in Osijek. - Davorin Turkalj; Ivan Kelic; Juraj Rasic (MIPRO, 2020)

Blockchain in the Tourism Industry - A Review of the Situation in Croatia and Macedonia. - Aleksandar Erceg; Jovanka Damoska Sekuloska; Ivan Kelic (Informatics, 2020)

Economic Potential of Mobile Entertainment as an Advertisement Channel. - Ivan Kelic (MIPRO, 2021)