<https://www.sapphiresolutions.net/blog/6-best-angular-apps-that-you-should-try-to-develop-in-2021>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.sapphiresolutions.net/blog/6-best-angular-apps-that-you-should-try-to-develop-in-2021>