Amrullah, M. Nauval, Irwan Alnarus Kautsar, Yulian Findawati, and Suhendro Busono. “Middleware Point of Sales (POS) System Untuk Platform Crowdfunding Dan Marketplace ”. Journal of Library and Information Science 1, no. 2 (September 5, 2025): 17. Accessed June 4, 2026. https://journal.pubmedia.id/index.php/jlis/article/view/4885.