Ajay Singh Yadav, Nitin Kumar, VinamTomar, Tipti Pandey, Govindarajan Arunachalam, and Anupam Swami. 2023. “Modeling and Solving an Effect of Covid-19 Pandemic on Blood Supply Chain Inventory Management Using Ant Colony Optimization”. Elementary Education Online 20 (5):1342-51. https://ilkogretim-online.org/index.php/pub/article/view/5189.