“DETECTING GROUP SHILLING ATTACKS IN ONLINE RECOMMENDER SYSTEMS BASED ON BISECTING K-MEANS CLUSTERING”. International Journal of Engineering Research and Science & Technology 21, no. 3 (1) (August 25, 2025): 1168–1174. Accessed November 4, 2026. https://ijerst.org/index.php/ijerst/article/view/1382.