Refri Martiansah, Siti Monalisa, Fitriani Muttakin, and Mona Fronita. “Customer Segmentation Analysis Through RFM-D Model and K-Means Algorithm”. Jurnal Sistem Cerdas 8, no. 1 (April 10, 2025): 1 - 11. Accessed April 17, 2026. https://apic.id/jurnal/index.php/jsc/article/view/504.