haleem ibrahem, S., A. Saad Abduljabbar, and O. Saber Qasim. “Feature Selection Using Binary Harris Hawks Optimization Algorithm to Improve K-Means Clustering”. Statistics, Optimization & Information Computing, Vol. 14, no. 4, Aug. 2025, pp. 1909-17, doi:10.19139/soic-2310-5070-2653.