Ranja, F. et al. 2026. Customer Segmentation of E-Wallet Top-Up Users Based on RFM and K-Means Clustering. Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI). 4, 3 (Feb. 2026), 2376–2382. DOI:https://doi.org/10.62712/juktisi.v4i3.887.