<https://techno.okezone.com/read/2020/04/17/207/2200521/2200521>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://techno.okezone.com/read/2020/04/17/207/2200521/google-ucap-terima-kasih-kepada-guru-via-doodle>