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https://www.humanistforum.org/el/%cf%80%ce%bf%ce%b9%ce%bf%ce%af-%ce%b5%ce%af%ce%bc%ce%b1%cf%83%cf%84%ce%b5/%ce%b9%cf%83%cf%84%ce%bf%cf%81%ce%b9%ce%ba%cf%8c/%ce%b2%ce%bf%cf%85%ce%b4%ce%b1%cf%80%ce%ad%cf%83%cf%84%ce%b7-2004/
Βουδαπέστη 2004