Prof. Wojciech Cellary participated in the 5th National Seminar of Secretaries of Local Governments, which took place in Warsaw in the Palace of Culture and Science. The conference was organized by MUNICIPIUM SA, the publisher of, among others the COMMUNITY magazine, well-known in territorial self-government, as well as professional book publications. Prof. Cellary gave an invited lecture entitled "Electronic administration - current and future technological and organizational challenges".