“Six Sigma DMAIC-Based Analysis of Defect in the Cement Bagging Process: A Case Study at PT Semen XYZ”, PMSR, vol. 1, no. 1, pp. 1–10, Aug. 2026, Accessed: Oct. 23, 2026. [Online]. Available: https://pmsr-pasca.unpak.ac.id/index.php/pmsr/article/view/6