Hamed Sabahno,  Optimal Policy for a Deteriorating Inventory Model with Finite Replenishment Rate and with Price Dependant Demand Rate and Cycle Length Dependant Price.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2008, vol. 20(8). 963 - 967
    [viewed 19 October 2019]. Available from: https://publications.waset.org/pdf/6343.