Istopo Hartanto, U., Putu Asto Buditjahjanto, I.G. and Yustanti, W. 2025. Two-Stage RFM and Macroeconomics Interaction Model for Accurate CLV Prediction in Direct Sales. Proceedings of The International Conference on Data Science and Official Statistics. 2025, 1 (Dec. 2025), 445–455. DOI:https://doi.org/10.34123/icdsos.v2025i1.642.