Refri Martiansah, Siti Monalisa, Fitriani Muttakin, and Mona Fronita. “Customer Segmentation Analysis Through RFM-D Model and K-Means Algorithm”. Jurnal Sistem Cerdas, Vol. 8, no. 1, Apr. 2025, pp. 1 - 11, doi:10.37396/jsc.v8i1.504.