<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ListItem>
<https://id.scribd.com/document/48620772/Permendiknas-Nomor-59-Tahun-2008-Tentang-Pengesahan-Fotokopi-Dan-Surat-Keterangan-Pengganti-Ijazah>