Map of countries with members of the European Centre for Workers’ Questions (Europäisches Zentrum für Arbeitnehmerfragen, EZA)
This file by <a href="//commons.wikimedia.org/wiki/User:Seagull123" title="User:Seagull123">Seagull123</a>, a derivative work of files by <a href="//commons.wikimedia.org/wiki/User:Nordwestern" title="User:Nordwestern">Nordwestern</a> and Europäisches Zentrum für Arbeitnehmerfragen
CC BY-SA 4.0
Base map from <a href="//commons.wikimedia.org/wiki/File:Blank_map_of_Europe_(without_disputed_regions).svg" title="File:Blank map of Europe (without disputed regions).svg">File:Blank map of Europe (without disputed regions).svg</a> by <a href="//commons.wikimedia.org/wiki/User:Nordwestern" title="User:Nordwestern">Nordwestern</a> (cc-by-sa-4.0) and source for countries with EZA members from <a href="//commons.wikimedia.org/wiki/File:EZA-L%C3%A4nder_201210.jpg" title="File:EZA-Länder 201210.jpg">File:EZA-Länder 201210.jpg</a> by Europäisches Zentrum für Arbeitnehmerfragen (cc-by-sa-3.0-de - OTRS ticket #2013040910006161)