“Waste Analysis Using Lean Service Approach In PackageDelivery Activities From The Warehouse To The Main Branch (Case Study: PT XYZ Station Center)”. Jurnal Teknik Industri (JATRI) 3, no. 2 (September 9, 2025): 97–108. Accessed October 12, 2025. http://e-journals2.unmul.ac.id/index.php/jatri/article/view/2873.