“CLUSTERING OF E-WALLET USAGE BASED ON TRANSACTION PATTERNS USING K-MEANS”. Jurnal Pilar Nusa Mandiri 22, no. 1 (March 27, 2026): 30–36. Accessed April 3, 2026. https://ejournal.nusamandiri.ac.id/ejurnal/index.php/pilar/article/view/8292.