Kumar, Rajender, Manju Pruthi, and Gulshan Taneja. “Inventory Model for Deteriorating Items With Life Time”. International Journal of Engineering and Technology 7, no. 3.16 (July 26, 2018): 102–105. Accessed April 15, 2025. https://sciencepubco.com/index.php/IJET/article/view/20720.