Taufiq Iqbal, Syarifuddin. 2020. “Repository Development Based on the Archive Initiative Protocol for Metadata Harvesting (OAI-PMH) on METS and MPEG-21 DIDL”. International Journal of Advanced Science and Technology 29 (3), 13573 -79. http://sersc.org/journals/index.php/IJAST/article/view/31687.