<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Book>
<https://id.scribd.com/presentation/106539678/PROGRAM-PENANGANAN-LINGKUNGAN-PERUMAHAN-DAN-PERMUKIMAN-KUMUH-BERBASIS-KAWASAN-PLP2K-BK>