Rabbani, Muhammad Rayhan, and Agus Mansur. “Design of Production System Improvement to Increase Productivity With Quality Control Circle Approach: Perancangan Perbaikan Sistem Produksi Untuk Peningkatan Produktivitas Dengan Pendekatan Quality Control Circle”. PROZIMA (Productivity, Optimization and Manufacturing System Engineering) 8, no. 1 (June 3, 2024): 1–10. Accessed September 7, 2025. https://prozima.umsida.ac.id/index.php/prozima/article/view/1669.