A Optimizing Helmet Production Quality Using The Six Sigma DMAIC Approach and FMEA. ITEJ (Information Technology Engineering Journals), [S. l.], v. 10, n. 1, p. 93–108, 2025. DOI: 10.24235/itej.v10i1.209. Disponível em: https://itej.uinssc.ac.id/index.php/itej/article/view/209. Acesso em: 12 mar. 2026.