SIMANJUNTAK, D. J. R.; UTOMO, A. P. Analisis Keterlambatan Pengiriman Unit Menggunakan Metode Six Sigma (Studi Kasus Pada PT XYZ). Journal Serambi Engineering, [S. l.], v. 9, n. 3, 2024. DOI: 10.32672/jse.v9i3.1694. Disponível em: https://jurnal.serambimekkah.ac.id/index.php/jse/article/view/1694. Acesso em: 29 nov. 2025.