Bravo, Bram, and Indra Indra. “Article Recommendations With Item-Based Collaborative Filtering on Online News Portals”. Journal of Information Systems and Informatics 6, no. 3 (September 24, 2024): 1962–1972. Accessed March 7, 2026. https://www.journal-isi.org/index.php/isi/article/view/851.