“Penerapan Lean Six Sigma Untuk Meningkatkan Efisiensi Proses Inbound Dan Outbound Di Gudang PT XYZ”. Jurnal Serambi Engineering 10, no. 1 (January 6, 2025). Accessed January 9, 2025. https://jse.serambimekkah.id/index.php/jse/article/view/673.