Kafilla, P. I. ., F. S. . Utomo, and G. . Karyono. “Enhancing Customer Purchase Behavior Prediction Using PSO-Tuned Ensemble Machine Learning Models”. Jurnal Teknik Informatika (Jutif), vol. 6, no. 5, Oct. 2025, pp. 3509-25, doi:10.52436/1.jutif.2025.6.5.4952.