<https://vietnamnet.vn/vn/the-gioi/bien-the-cua-virus-corona-de-doa-su-phuc-hoi-toan-cau-754895.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://m.vietnamnet.vn/vn/the-gioi/bien-the-cua-virus-corona-de-doa-su-phuc-hoi-toan-cau-754895.html>