<https://blog.maksimediaindonesia.co.id/accurate/lupa-buat-invoice-jangan-khawatir-accurate-online-solusinya/#article>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.maksimediaindonesia.co.id/accurate/lupa-buat-invoice-jangan-khawatir-accurate-online-solusinya/>