<https://secure.gravatar.com/avatar/64a6e1d04109ea427f4e7420d2f18488?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hola360.vn/bo-so-ho-khau-quan-ly-cong-dan-bang-ma-dinh-danh-ca-nhan/>