<https://www.blogmashendra.com/2019/05/mengenal-quora-situs-tanya-jawab-paling-lengkap.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.blogmashendra.com/2019/05/mengenal-quora-situs-tanya-jawab-paling-lengkap.html>