Doan, G. B. N., Luu, M. Q., Truong, T. T. H., Nguyen, D. M. T., Phan, T. M. H., & Tran, D. T. (2025). Building a new hybrid machine learning model for improvement insurance cross-sell prediction. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ECONOMICS AND BUSINESS ADMINISTRATION, 16(1), 93–111. https://doi.org/10.46223/HCMCOUJS.econ.en.16.1.4306.2026