Indrayani, Rina, Ferry Koesindratmono, Herman Ruswan Suwarman, and Nia Yunita. “Cost Management Strategy: Application of Activity Based Costing Method to Optimize Cost Prices ”. Enrichment : Journal of Management 14, no. 6 (February 28, 2025): 1129-1136. Accessed June 18, 2026. https://enrichment.iocspublisher.org/index.php/enrichment/article/view/2184.