Rahmawati, Dwi Yana, Isnawiyah Isnawiyah, Pristiya Maulaningrum, Aghnia Layalia, and Maria Yovita R Pandin. “The Influence of Activity Complexity, Operational Efficiency, and Cost Structure on Cost Behavior : Study in PT Toyota Motor Manufacturing Indonesia 2022-2023”. International Conference On Economics Business Management And Accounting (ICOEMA) 4, no. 1 (July 28, 2025): 1047-1071. Accessed January 12, 2026. https://conference.untag-sby.ac.id/index.php/icoema/article/view/5681.