Gilang Kharisma Ramadhan Ibrahim, and Jerry Heikal. “An Analyzing RFM (Recency, Frequency, Monetary) Segmentation to Formulate Online Marketing Strategies : A Case Study of PT MMT”. Jurnal Multidisiplin Sahombu 5, no. 06 (September 1, 2025): 1818–1825. Accessed May 19, 2026. https://ejournal.seaninstitute.or.id/index.php/JMS/article/view/7292.