Umar, B. A.; Musa, Z. H.; Gambo, S. A.; Lurwanu, I. A. An Inventory Model for Delayed Deteriorating Items With Lead Time and Quadratic Time Dependent Holding Cost. josrar 2025, 2 (3), 90-94. https://doi.org/10.70882/josrar.2025.v2i3.49.