<https://subulassalaam.com/articles/\u0625\u0630\u0627\u0628\u0629%20\u062D\u0635\u0648\u0629%20\u0627\u0644\u0643\u0644\u0649>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://subulassalaam.com/articles/articlea.cfm?article_id=155>