A Dynamic System Model for Multi-Echelon Inventory Policy Optimization Considering Bullwhip Effect and Supply chain Disruptions in the Sport Footwear Industry. teknologika [Internet]. 2025 May 12 [cited 2026 Sep. 20];15(1):629-42. Available from: https://jurnal.wastukancana.ac.id/index.php/teknologika/article/view/447