Evaluating the Implementation of COSO-Based Internal Control in Operating Cost Control: A Case Study at PT Barru Barakah Properti. SIMAK [Internet]. 2026 May 31 [cited 2026 Nov. 1];24(01):120-3. Available from: https://www.ojs.feb.uajmks.ac.id/index.php/simak/article/view/703