DOAN, Gia Bao Ngoc; LUU, Minh Quan; TRUONG, Thi Thanh Ha; NGUYEN, Duc Minh Tan; PHAN, Thi Minh Huyen; TRAN, Duy Thanh. 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, [S. l.], v. 16, n. 1, p. 93–111, 2025. DOI: 10.46223/HCMCOUJS.econ.en.16.1.4306.2026. Disponível em: https://journalofscience.ou.edu.vn/index.php/econ-en/article/view/4306. Acesso em: 8 aug. 2026.