<https://darooplus.com/blog/\u062F\u0627\u0631\u0648\u06CC-\u06AF\u06CC\u0627\u0647\u06CC-\u062F\u0631\u0645\u0627\u0646-\u0633\u0631\u0641\u0647/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://darooplus.com/blog/%D8%AF%D8%A7%D8%B1%D9%88%DB%8C-%DA%AF%DB%8C%D8%A7%D9%87%DB%8C-%D8%AF%D8%B1%D9%85%D8%A7%D9%86-%D8%B3%D8%B1%D9%81%D9%87/>