Jerry, Jerry, and Bram Hadianto. “Internal Control System, Employee Achievement, and Company Performance”. Eqien - Jurnal Ekonomi dan Bisnis 13, no. 03 (September 14, 2024): 407-419. Accessed August 31, 2025. https://eqien.unismu.ac.id/index.php/OJS/article/view/1803.