Gerry, Gerry, and Dyah Budiastuti. “Penurunan Jumlah Cacat Produksi Melalui Pendekatan Seven Tools Of Quality”. Binus Business Review 5, no. 2 (November 28, 2014): 456-465. Accessed February 23, 2025. https://journal.binus.ac.id/index.php/BBR/article/view/1004.