albana, ali, and Said Salim Dahda. “IMPLEMENTASI NEW SEVEN TOOLS DAN FAILURE MODE AND EFFECT ANALYSIS BERBASIS SIX SIGMA GUNA PENINGKATAN KUALITAS DEMINERALIZED WATER : (Studi Kasus: Unit Demin III A - PT Petrokimia Gresik)”. JUSTI (Jurnal Sistem dan Teknik Industri) 5, no. 4 (July 2, 2025): 367–376. Accessed July 26, 2025. https://journal.umg.ac.id/index.php/justi/article/view/10151.