https://edu.coregroup.gr/course/%ce%b1%ce%bd%ce%ac%cf%80%cf%84%cf%85%ce%be%ce%b7-%ce%b5%cf%80%ce%b9%cf%87%ce%b5%ce%b9%cf%81%ce%b7%cf%83%ce%b9%ce%b1%ce%ba%ce%ae%cf%82-%cf%80%ce%b1%cf%81%ce%b1%cf%84%ce%b7%cf%81%ce%b7%cf%84%ce%b9%ce%ba/2026-09-18T20:59:19+03:00