Analysis of the Defect Level of Paving Stone DC 06 Products Using Six Sigma and FMEA Methods at PT. Duta Beton Mandiri Pasuruan. JKIE [Internet]. 2025 Apr. 25 [cited 2026 Nov. 9];11(3):134-46. Available from: https://jurnal.yudharta.ac.id/v2/index.php/jkie/article/view/6168