<https://cooftech.com/dinh-nghia-mobile-web-la-gi-cac-loai-mobile-web-3438461.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://cooftech.com/dinh-nghia-mobile-web-la-gi-cac-loai-mobile-web-3438461.html>