Warinah W, Nusraningrum D. Application of Six Sigma (Dmaic) Method to Reduce Defect Amount in Assembly Process A Case Study PT. XYZ. IHASJ [Internet]. 2019 Oct. 4 [cited 2026 Jun. 29];2(3):59-72. Available from: https://publikasi.mercubuana.ac.id/index.php/ihasj/article/view/6735