<https://hapijournal.com/tag/%d8%a3%d8%b3%d9%87%d9%85-%d8%ae%d8%b2%d9%8a%d9%86%d8%a9/page/14/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hapijournal.com/tag/%D8%A3%D8%B3%D9%87%D9%85-%D8%AE%D8%B2%D9%8A%D9%86%D8%A9/page/14/>