PANJAITAN, D. M. T.; GINTING, E. P. A comparative study of GCN and GraphSAGE algorithms for structural anomaly detection in public procurement networks. Jurnal Sains, Teknologi & Komputer, [S. l.], v. 3, n. 3, p. 144–156, 2026. DOI: 10.56495/saintek.v3i3.1677. Disponível em: https://jurnal.larisma.or.id/index.php/SAINTEK/article/view/1677. Acesso em: 9 oct. 2026.