Laksono, Fakhruddin Agung, Basuki Rachmat, and Yudi Sutasrso. “B2B Customer Segmentation Based on Customer Lifetime Value Concept and RFM Modeling”. International Journal of Economics Development Research (IJEDR) 4, no. 3 (December 27, 2023): 1856–1874. Accessed July 7, 2025. https://journal.yrpipku.com/index.php/ijedr/article/view/4295.