Suryani, Cindy, and Erna Setiany. 2025. “The Influence of E-Procurement Implementation, Internal Control Systems, and Whistleblowing Systems on Preventing Procurement Fraud in Government Goods and Services ”. Kontigensi : Jurnal Ilmiah Manajemen 13 (1), 62-83. https://doi.org/10.56457/jimk.v13i1.751.