Bahari, Alfin, and M. Jihan Shofa. “Analisis Pengendalian Kualitas Produk Dengan Menggunakan Metode Six Sigma Di Lini Electrolytic Cleaning Line (ECL)”. Jurnal INTECH Teknik Industri Universitas Serang Raya 3, no. 1 (June 28, 2017). Accessed April 27, 2024. https://e-jurnal.lppmunsera.org/index.php/INTECH/article/view/875.