“Analysis of Internal Control Implementation in Prevention Efforts Fraud in the Economic and Natural Resources Section Regional Secretariat of PematangSiantar City”. Prosiding Simposium Ilmiah Akuntansi (February 9, 2025): 109–116. Accessed July 10, 2025. https://sia-iaikpd.fdaptsu.org/index.php/sia/article/view/174.