%0 Journal Article %A Ajoy Hatibaruah %A Sumit Saha %T A Production Inventory Model for Ameliorating and Deteriorating Items With Two Levels of Production Under Time Dependent Quadratic Demand and Preservation Technology Investment %J Yugoslav journal of operations research %D 2024 %P 257 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2024_34_2_a3/ %G en %F YJOR_2024_34_2_a3