Laksono, F. A., B. Rachmat, and Y. Sutasrso. “B2B Customer Segmentation Based on Customer Lifetime Value Concept and RFM Modeling”. International Journal of Economics Development Research (IJEDR), vol. 4, no. 3, Dec. 2023, pp. 1856-74, doi:10.37385/ijedr.v5i1.4295.