Setiawan, Rudy, Budi Tjahjono, Gerry Firmansyah, and Habibullah Akbar. 2023. “Fraud Detection in Credit Card Transactions Using HDBSCAN, UMAP and SMOTE Methods”. International Journal of Science, Technology & Management 4 (5), 1333-39. https://doi.org/10.46729/ijstm.v4i5.929.