_:na658e4ba4c2940b38871e6c9c22e2abcxb0
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://noandishaan.com/forums/forum/1368-%D8%A8%DA%86%D9%87-%D9%87%D8%A7%D9%8A-%D8%A8%D8%A7-%D8%AD%D8%A7%D9%84-topics/>