<https://azurtriathle.com/reponses-aux-questions/often-asked-comment-reviser-efficacement-ses-cours.html#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://azurtriathle.com/reponses-aux-questions/often-asked-comment-reviser-efficacement-ses-cours.html>