<http://schema.org/telephone>
"+62-1-500-350"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.bukalapak.com/p/buku/biografi/3svp6f-jual-buku-perjalanan-panjang-anak-bumi-biografi-r-m-a-a-koesoemo-oetoyo>