<https://secure.gravatar.com/avatar/4d2ea65adbe403a829bd6ba5049ee5a9?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://cytricks.com/kunci-jawaban-bahasa-inggris-kelas-12/>