Mardiono, Madriono, and Reni Laili. “ANALISIS PENGENDALIAN KUALITAS DENGAN PENDEKATAN SIX SIGMA DAN SEVEN TOOLS”. Jurnal Tekno 13, no. 2 (January 25, 2019): 1–12. Accessed November 29, 2024. https://journal.binadarma.ac.id/index.php/jurnaltekno/article/view/86.