<https://nesiha.com/%e1%89%b0%e1%8b%8d%e1%89%a3%e1%8a%93-%e1%89%b0%e1%89%85%e1%8b%8b/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://nesiha.com/%E1%89%B0%E1%8B%8D%E1%89%A3%E1%8A%93-%E1%89%B0%E1%89%85%E1%8B%8B/>