<https://binyanbooks.com/products/\u0627\u0639\u062A\u0631\u0627\u0641\u0627\u062A-\u062A\u0648\u0644\u0633\u062A\u0648\u064A>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://binyanbooks.com/products/%D8%A7%D8%B9%D8%AA%D8%B1%D8%A7%D9%81%D8%A7%D8%AA-%D8%AA%D9%88%D9%84%D8%B3%D8%AA%D9%88%D9%8A>