1. Uzhhorod National University,Department of Software Systems
2. Uzhhorod National University,Department of Software Systems,Uzhhorod,Ukraine
3. Uzhhorod National University,Department of Computer Systems and Networks,l Uzhhorod,Ukraine
4. Uzhhorod National University,Political Science and Public Administration Department,Uzhhorod,Ukraine
5. Uzhhorod National University,Geodesy, Land Surveillance and Geoinformatics Department,Uzhhorod,Ukraine