https://www.humanistforum.org/el/%cf%83%cf%87%ce%b5%cf%84%ce%b9%ce%ba%ce%ac-%ce%bc%ce%b5-%cf%84%ce%bf-%cf%86%cf%8c%cf%81%ce%bf%cf%85%ce%bc/%ce%b5%cf%80%ce%b9%ce%b2%ce%b5%ce%b2%ce%b1%ce%b9%cf%89%ce%bc%ce%ad%ce%bd%ce%b1-%ce%b7%cf%87%ce%b5%ce%af%ce%b1/
Επιβεβαιωμένοι ομιλητές/τριες