2023. THE EFFECT OF ORGANIZATIONAL CULTURE, INTERNAL AUDIT, AND WHISTLEBLOWING SYSTEM ON FRAUD PREVENTION DURING THE COVID-19 PANDEMIC AT PT DWIMANUNGGAL KARYA INDONESIA. AJAR. 6, 01 (Feb. 2023), 19–30. DOI:https://doi.org/10.35129/ajar.v6i01.396.