Yulianto, Aris Tri, and Hana Catur Wahyuni. “Minimize Customer Return by Using the Method of Quality Control Circle and Quality Loss Fuction: Study from PT Artha Food: Meminimalkan Return Customer Dengan Menggunakan Metode Quality Control Circle Dan Quality Loss Fuction (Studi Kasus PT Artha Food)”. PROZIMA (Productivity, Optimization and Manufacturing System Engineering) 3, no. 1 (March 9, 2021): 43–56. Accessed September 10, 2025. https://prozima.umsida.ac.id/index.php/prozima/article/view/1301.