Reporter of the Slovak Environment Agency
č. 7/2019: Week of European Geoparks
č. 7/2018: Week of European Geoparks
č. 12/2017: Education about geoparks
č. 7/2019: Week of European Geoparks
č. 7/2018: Week of European Geoparks
č. 12/2017: Education about geoparks