Akbar AG. The Impact of a Procurement Implementation and Government Internal Control System on Goods/Services Procurement Fraud Prevention by Using Organization Ethical Culture as a Moderating Variable. JECO [Internet]. 2019 Apr. 15 [cited 2025 May 9];15(1):69-81. Available from: https://journal.uny.ac.id/index.php/economia/article/view/23618