<https://secure.gravatar.com/avatar/d99a364b98d8642bb77a8c050027b691?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.kacateknologi.com/cara-menyembunyikan-aplikasi-smartphone/>