<https://cholangson.vn/topic/16625-can-ban-iphone3-mau-den-va-can-mua-1em-e71-mau-den-cang-tot/#comment-71664>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://cholangson.vn/topic/16625-can-ban-iphone3-mau-den-va-can-mua-1em-e71-mau-den-cang-tot/>