<https://www.almosaferoon.com/forums/\u0645\u0648\u0636\u0648\u0639/%d8%a7%d9%84%d8%b3%d9%83%d9%86-%d9%81%d9%8a-%d9%86%d9%8a%d8%b3-%d9%88-%d9%85%d9%88%d9%86%d8%a7%d9%83%d9%88-%d9%81%d8%b1%d9%86%d8%b3%d8%a7/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.almosaferoon.com/forums/%D9%85%D9%88%D8%B6%D9%88%D8%B9/%D8%A7%D9%84%D8%B3%D9%83%D9%86-%D9%81%D9%8A-%D9%86%D9%8A%D8%B3-%D9%88-%D9%85%D9%88%D9%86%D8%A7%D9%83%D9%88-%D9%81%D8%B1%D9%86%D8%B3%D8%A7/>