<https://www.safer-internet.gr/category/%ce%b1%cf%83%cf%86%ce%ac%ce%bb%ce%b5%ce%b9%ce%b1-%cf%83%cf%84%ce%bf-internet/%ce%ac%cf%81%ce%b8%cf%81%ce%b1-%ce%b1%cf%83%cf%86%ce%b1%ce%bb%ce%bf%cf%8d%cf%82-%cf%80%ce%bb%ce%bf%ce%ae%ce%b3%ce%b7%cf%83%ce%b7%cf%82/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.safer-internet.gr/pios-o-logos-uparksis-ton-pseudon-eidiseon-kai-pos-na-ta-diakrinete/>