<https://epale.ec.europa.eu/el/blog/basilis-koyrmpetis-mia-istoria-koinotitas-apo-tin-ellada>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://epale.ec.europa.eu/el/blog/basilis-koyrmpetis-mia-istoria-koinotitas-apo-tin-ellada>