MISSOC 2005 : Mutual Information System on Social Protection. Social protection in the member states of the European Union, the European Economic Area and in Switzerland. Situation on 1st January 2005 - European Environment Agency (Λουξεμβούργο : Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2006)
Keywords: Social security -- European Union countries -- congresses; Public welfare -- European Union countries