Shrivastava, R. K., P. Sharma, and B. B. Singh. “Unreliable Inventory Model With Price Varying Demand Rate under the Partially Backlogged Situation”. International Journal Of Mathematics And Computer Research, Vol. 10, no. 3, Mar. 2022, pp. 2621-9, doi:10.47191/ijmcr/v10i3.05.