Putra, M.B.W. and Priambodo, R. 2026. Graph-Based Hybrid GNN-Transformer for Imbalanced Credit Card Fraud Detection. Sinkron : jurnal dan penelitian teknik informatika. 10, 3 (Jul. 2026), 1786-1798. DOI:https://doi.org/10.33395/sinkron.v10i3.16245.