-, Viola, et al. “Comparative Analysis of Local Outlier Factor (LOF) and Elliptic Envelope Algorithms in Outlier Detection of Customer Purchase Behavior Data”. JURNAL TEKNOLOGI DAN ILMU KOMPUTER PRIMA (JUTIKOMP), vol. 9, no. 1, Apr. 2026, pp. 1-13, doi:10.34012/jutikomp.v8i2.7909.