“Sistem Rekomendasi Produk UMKM Menggunakan Algoritma User-Based Collaborative Filtering Berbasis Website”, SISFOTENIKA, vol. 14, no. 2, pp. 152–162, Jul. 2024, Accessed: Aug. 06, 2026. [Online]. Available: https://ojs.stmikpontianak.ac.id/sisfotenika/article/view/447