Gumilang, D., E. Ruskan, A. Ariani, K. Tania, and A. Rifai. “Comparative Customer Segmentation Pipelines for E-Commerce Using K-Means-KNN and UMAP-K-Means-XGBoost”. Building of Informatics, Technology and Science (BITS), Vol. 8, no. 2, Sept. 2026, pp. 689-98, doi:10.47065/bits.v8i2.10794.