54 DAFTAR PUSTAKA
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[9] Katalog Produk DURINOX Ferritic Stainless Steels Sheet, Coil & Plate.
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[11] http://shiftindonesia.com/lean-six-sigmamengidentifikasi-akar-masalah-dalam-sistem-dan-proses-dengan-metode-root-cause-analysis-rca/(diakses tanggal 3 November 2015)