<https://www.tribunnews.com/regional/2021/07/28/polres-dan-kejari-pekalongan-ramai-ramai-dalami-harga-tabung-oksigen-rp-68-juta-di-apotek>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.tribunnews.com/regional/2021/07/28/polres-dan-kejari-pekalongan-ramai-ramai-dalami-harga-tabung-oksigen-rp-68-juta-di-apotek>