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), pp. 445–455. doi: 10.34123/icdsos.v2025i1.642.