<https://www.sanmarinortv.sm/news/attualita-c4/referendum-2021-gli-appuntamenti-del-18-settembre-a211764>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.sanmarinortv.sm/news/attualita-c4/referendum-2021-gli-appuntamenti-del-18-settembre-a211764>