<https://epistema.or.id/publikasi/publikasi-berkala/digest-epistema-vol-52015/#primaryimage>
<http://schema.org/url>
<https://epistema.or.id/wp-content/uploads/2015/12/Cover-digest-5-2015.jpg>
<https://epistema.or.id/publikasi/publikasi-berkala/digest-epistema-vol-52015/>