Mariana, Y. et al. 2023. Minimizing Defects in Radiator Grille Upper Garnish Parts using Six Sigma (DMAIC) at PT. AAS. Engineering, MAthematics and Computer Science Journal (EMACS). 5, 3 (Oct. 2023), 111–115. DOI:https://doi.org/10.21512/emacsjournal.v5i3.10481.