NURHIDAYAH DALIMUNTHE; REVA PUTRI ARIHAN; GALIH SUPRAJA. Mitigating Procurement Fraud through Strengthening Internal Control Systems and Risk-Based Audits. International Journal of Economic Research and Financial Accounting, [S. l.], v. 5, n. 1, 2026. DOI: 10.55227/ijerfa.v5i1.475. Disponível em: https://ijerfa.afdifaljournal.com/index.php/ijerfa/article/view/475. Acesso em: 27 oct. 2026.