Wahyudiyanto T, Wahyuni HC. Quality Control To Reduce Defects in Ceramic Production Using Six Sigma Method and Root Cause Analysis. ijins [Internet]. 2023Apr.1 [cited 2024Dec.4];22:10.21070/ijins.v22i.1041. Available from: https://ijins.umsida.ac.id/index.php/ijins/article/view/1041