Do Thi Thuy Nga, Nguyen Thi Hai Hang, Pham Thi Thanh Hoa, Vu Van Dong, Huynh Thi Huong Thao. FRAUD DETECTION IN FINTECH AND DIGITAL PAYMENTS USING A HYBRID MODEL COMBINING MACHINE LEARNING AND RISK MONITORING. HUIT_OJS [Internet]. 2026 Aug. 31 [cited 2026 Nov. 7];26(3E):2531. Available from: https://ojs.dev.huit.vn/index.php/huit-j-sci/article/view/648