Behera, Janardan, Bidyadhara Bishi, and Sudhir Kumar Sahu. “An Inventory Production Model for Deteriorating Items Allowing Price Discount With Permissible Delay in Payments”. International Journal Of Mathematics And Computer Research 9, no. 10 (October 28, 2021): 2443-2449. Accessed November 24, 2024. https://ijmcr.in/index.php/ijmcr/article/view/350.