Imansuri, Febriza, Tasya Chayatunnufus, Safril Safril, Fredy Sumasto, B. Handoko Purwojatmiko, and Dianasanti Salati. “Reducing Defects Using DMAIC Methodology in an Automotive Industry”. Spektrum Industri 22, no. 1 (April 30, 2024): 1–13. Accessed April 4, 2025. https://journal3.uad.ac.id/index.php/spektrum/article/view/171.