%0 Journal Article %T A Global Optimizing Policy for Decaying Items with Ramp-Type Demand Rate under Two-Level Trade Credit Financing Taking Account of Preservation Technology %A S. R. Singh %A Swati Sharma %J Advances in Decision Sciences %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/126385 %U http://dx.doi.org/10.1155/2013/126385