“Optimal Ordering Policy for Delayed Deteriorating Items under the Effects of Stock-Dependent Demand Rate, Price Discounting, and Trade Credit Policy”. International Journal of Development Mathematics (IJDM) 3, no. 1 (March 28, 2026): 236–251. Accessed June 28, 2026. https://ijdm.org.ng/index.php/Journals/article/view/301.