Dr. Arjun Mehta (2025) “Artificial Intelligence–Driven Hierarchical Supply Chain Planning: Toward a Unified Framework for Visibility, Demand Forecasting, and Sustainable Optimization”, Global Multidisciplinary Journal, 4(05), pp. 8–16. Available at: https://www.grpublishing.org/journals/index.php/gmj/article/view/235 (Accessed: 23 February 2026).