_:nf552d29a295e44928e373caf253d877fxb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://source4u.online/product/%D7%A8%D7%9E%D7%A7%D7%95%D7%9C-%D7%A2%D7%9E%D7%99%D7%93-%D7%9C%D7%9E%D7%99%D7%9D/>