<https://hamparvaz.net/tag/%d8%a2%d9%85%d9%88%d8%b2%d8%b4-%d8%b1%d8%b2%d9%88%d9%85%d9%87-%d9%86%d9%88%db%8c%d8%b3%db%8c/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hamparvaz.net/tag/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%B1%D8%B2%D9%88%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C/>