“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” (2021) The Transactions of the Nigerian Association of Mathematical Physics, 17, pp. 131–144. Available at: https://nampjournals.org.ng/index.php/tnamp/article/view/203 (Accessed: 28 September 2024).