Sitorus, Erwin, and Siti Soraya Faiza Nasution. “PEMBAKUAN AKTIVITAS PERGUDANGAN DENGAN STANDARD OPERATING PROCEDURE (SOP) DI PT. XYZ”. Jurnal Sistem Teknik Industri 19, no. 2 (August 18, 2018): 65-71. Accessed May 21, 2024. https://talenta.usu.ac.id/jsti/article/view/376.