S. Lestari, T. Bharata Adji, and A. Erna Permanasari, “WP-Rank: Rank Aggregation based Collaborative Filtering Method in Recommender System”, IJET, vol. 7, no. 4.40, pp. 193–197, Dec. 2018, doi: 10.14419/ijet.v7i4.40.24431.