Ayuningrum, Elsyah, Yufis Azhar, and Gita Indah Marthasari. “Sistem Rekomendasi Produk Skincare Korea Berbasis Web Menggunakan Metode Collaborative Filtering”. Jurnal Repositor 4, no. 4 (February 25, 2024). Accessed July 1, 2024. https://ejournal.umm.ac.id/index.php/repositor/article/view/32284.