Sumartono B. ANALISIS PENERAPAN METODE SIX SIGMA DALAM PROSES PENGENDALIAN KUALITAS PLASTIK FILM LLDPE DI PT. SUPERNOVA. jst.unsada [Internet]. 2012 Sep. 15 [cited 2024 Nov. 14];2(2):9-21. Available from: https://unsada.e-journal.id/jst/article/view/376