Hamilah, Hamilah, Adji Suratman, and Saeful Alam. 2022. “The Effectiveness of the Internal Whistleblowing System in Fraud Detection and Prevention (Empirical Study at PT Asuransi Jiwasraya (Persero)”. Dinasti International Journal of Economics, Finance &Amp; Accounting 3 (1):1-21. https://doi.org/10.38035/dijefa.v2i6.1142.