PENGENDALIAN KUALITAS PRODUK GALON AIR MINERAL 19 L DENGAN PENDEKATAN SIX SIGMA . JKIE (Journal Knowledge Industrial Engineering), [S. l.], v. 6, n. 1, p. 34–41, 2019. DOI: 10.35891/jkie.v6i1.2052. Disponível em: https://jurnal.yudharta.ac.id/v2/index.php/jkie/article/view/2052. Acesso em: 10 nov. 2026.