Ardiansyah, Muhammad Rexi, Sanny Andjar Sari, and Sumanto Sumanto. “ANALISIS PENGENDALIAN KUALITAS PRODUK GENTENG MENGGUNAKAN METODE SIX SIGMA DI HOME INDUSTRI GENTENG LESTARI TRENGGALEK”. Jurnal Valtech 9, no. 2 (October 16, 2026): 107-111. Accessed October 22, 2026. https://mail.ejournal.itn.ac.id/valtech/article/view/21884.