ZENG, Xi. Cross-Border Trade Fraud Detection via Integrated Heterogeneous Graph Neural Network and XGBoost. International Scientific Technical and Economic Research , [S. l.], p. 47–69, 2026. DOI: 10.71451/ISTAER2603. Disponível em: https://www.istaer.online/index.php/Home/article/view/No.2603. Acesso em: 20 jan. 2026.