Analisis Supply Chain Management (SCM) Pada Proses Produksi Di PT. Langgeng Aman Selamanya Dengan Metode Value Stream Mapping (VSM) . snd. 2025;2(1):444-456. Accessed October 12, 2026. https://senadimu.potensi-utama.org/index.php/home/article/view/625