Rosni Lumbantoruan, Paulus Simanjuntak, Inggrid Aritonang, and Erika Simaremare. “TopC-CAMF: A Top Context-Based Matrix Factorization Recommender System”. Jurnal Nasional Teknik Elektro dan Teknologi Informasi 11, no. 4 (November 14, 2022): 258-266. Accessed April 17, 2024. https://jurnal.ugm.ac.id/v3/JNTETI/article/view/5399.