Saputro, Moh Naufal Mizan, and Z. K. A. Baizal. “Group Recommender System Using Matrix Factorization Technique for Book Domain”. JURNAL MEDIA INFORMATIKA BUDIDARMA 7, no. 3 (July 23, 2023): 1247–1256. Accessed April 15, 2026. https://ejurnal.stmik-budidarma.ac.id/index.php/mib/article/view/6435.