Taufik Sutisna E, Okdinawati L. Lead-Time Variability and Single-Source Dependence as Continuity Risks in an Aerospace Metallic Raw-Material Supply Network. jrssem [Internet]. 2026 Jul. 22 [cited 2026 Jul. 22];5(12):13229-3. Available from: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/1597