Arib Aufa Dhiyaul Haq, Muhammad, dan Yanti Helianty. 2024. “STRATEGI PENINGKATAN KUALITAS PRODUKSI BERDASARKAN METODE LEAN SIX SIGMA DI PT. XYZ”. E-Proceeding FTI, Desember. https://eproceeding.itenas.ac.id/index.php/fti/article/view/3313.