TY - JOUR AU - Ajoy Hatibaruah AU - Sumit Saha TI - A Production Inventory Model for Ameliorating and Deteriorating Items With Two Levels of Production Under Time Dependent Quadratic Demand and Preservation Technology Investment JO - Yugoslav journal of operations research PY - 2024 SP - 257 VL - 34 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/YJOR_2024_34_2_a3/ LA - en ID - YJOR_2024_34_2_a3 ER -