Zulfa, Mutia, and . Noviyarsi. “ANALISIS PENYEBAB CACAT BILLET DENGAN MENGGUNAKAN TREE DIAGRAM DI PT. X”. Jurnal Teknik Industri Universitas Bung Hatta 6, no. 2 (January 9, 2018). Accessed December 22, 2024. https://ejurnal.bunghatta.ac.id/index.php/JTI-UBH/article/view/12156.