Prasetyo, Yoga, and Nabila Khairunnisa. “Sistem Rekomendasi Produk Menggunakan Collaborative Filtering Pada Marketplace Digital”. Journal of Informatics, Computing, and Digital Systems 1, no. 1 (April 23, 2026): 19–27. Accessed October 24, 2026. https://journal.gemacendekia.org/index.php/jicds/article/view/15.