<https://teamcodedao.com/forum/index.php?/topic/7737-minh-nhan-code-web-dot-net-gia-sinh-vien/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://teamcodedao.com/forum/index.php?/topic/7737-minh-nhan-code-web-dot-net-gia-sinh-vien/>