Ristanti, Cindy Berliane, and Sri Mulyati. “Analysis of the Implementation of Internal Control Based on COSO 2013 in the Service Payment Requirement Document Verification Process at PT PLN (Persero) UP3 Yogyakarta”. Danadyaksa: Post Modern Economy Journal 4, no. 1 (August 12, 2026): 1429–1440. Accessed August 20, 2026. https://www.e-journal.bustanul-ulum.id/index.php/danadyaksa/article/view/336.