Gultom, Togar Timoteus, Syaifuddin, and Nagian Toni. “Operational Flow Control Model, Manufacturing Cost, and Extension Cost Structure Affect Production in Manufacturing Companies”. Proceeding International Conference on Economic, Business, Management and Accounting 1, no. 1 (January 10, 2025). Accessed July 18, 2025. https://jurnal.unprimdn.ac.id/index.php/icebesma/article/view/6951.