Suseno, Suseno, and Revi Aditya Hermansyah. “ANALISIS PENGENDALIAN KUALITAS PRODUK GULA MENGGUNAKAN METODE SIX SIGMA PADA PT MADU BARU”. SENTRI: Jurnal Riset Ilmiah 2, no. 2 (February 9, 2023): 489–504. Accessed February 16, 2026. https://ejournal.nusantaraglobal.ac.id/index.php/sentri/article/view/492.