Chandra, D. A., F. Santosa, and S. Wahyudi. “Penerapan Metode Item Base Collaborative Filtering Berbasis Web Pada Recommender System Laptop: Application of the Web-Based Item Base Collaborative Filtering Method on Laptop Recommender Systems”. Engineering and Technology International Journal, vol. 3, no. 02, July 2021, pp. 125-32, doi:10.55642/eatij.v3i02.70.