<https://secure.gravatar.com/avatar/f0f568c8a0a445b4f2b19656957864c5?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://ketabejamkaran.ir/88295/%D8%B1%D8%A7%D8%B6-%D8%A8%D8%A7%D8%A8%D8%A7/>