Hafidz, Henry, and Anas Haikal. “Penggunaan Peta Kontrol Proporsi Untuk Mengukur Cacat Pada Kemasan Di PT. X”. National Conference on Electrical, Informatics and Industrial Technology (NEIIT) 1, no. 1 (August 5, 2024): 233–239. Accessed July 4, 2025. http://ojs.ft.uniska-kediri.ac.id/index.php/neiit/article/view/54.