Badriyah, Tessy, Ika Restuningtyas, and Fitri Setyorini. “Sistem Rekomendasi Collaborative Filtering Berbasis User Algoritma Adjusted Cosine Similarity”. ReTII (March 10, 2018). Accessed July 25, 2024. //journal.itny.ac.id/index.php/ReTII/article/view/589.