AN EOQ MODEL FOR NON-INSTANTANEOUS DETERIORATING ITEM WITH TWO- PHASE DEMAND RATES, TIME-DEPENDENT LINEAR HOLDING COST AND TIME- DEPENDENT PARTIAL BACKLOGGING RATE UNDER TRADE CREDIT POLICY. TNAMP. 2021;17:131–144. Accessed September 28, 2024. https://nampjournals.org.ng/index.php/tnamp/article/view/203