An Inventory Ordering Policies of Delayed Deteriorating Items with Ramp Type Demand, Price Discount and Complete Backlogging. KASU JOURNAL OF MATHEMATICAL SCIENCE (Maths Access), [S. l.], v. 6, n. 2, p. 11–22, 2026. Disponível em: https://mathsaccess.org.ng/index.php/kjms/article/view/84. Acesso em: 9 jun. 2026.