G. B. N. Doan, M. Q. Luu, T. T. H. Truong, D. M. T. Nguyen, T. M. H. Phan, and D. T. Tran, “Building a new hybrid machine learning model for improvement insurance cross-sell prediction”, HCMCOUJS - ECONOMICS AND BUSINESS ADMINISTRATION, vol. 16, no. 1, pp. 93–111, Sep. 2025.