Mr. Ayinde, Oladunni Moses Dr. Gabriel K, D.M.O.O. (tran.) (2014) “Economic Order Model (Q,R): Constant Lead Times And Exponential Backorder Costs”, International Journal of Scientific Research and Management (IJSRM), 2(3). Available at: https://ijsrm.net/index.php/ijsrm/article/view/398 (Accessed: 1 July 2025).