<https://secure.gravatar.com/avatar/b8e3d007a89489239af92c17b36e097e?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tumeskecil.com/pengertian-kegunaan-cara-mengatasi-bahaya-keylogger/>