D. M. O. Omorodion , Tran., “INVENTORY MODEL (M,R,T) CONTINUOUS LEAD TIMES, QUADRATIC BACK ORDER COSTS AND RANDOM SUPPLY (Series 2)”, int.jour.sci.res.mana, vol. 2, no. 3, Mar. 2014, Accessed: Jul. 01, 2025. [Online]. Available: https://ijsrm.net/index.php/ijsrm/article/view/400