S, Vennila, and Karthikeyan K. “An EOQ Model for Circularity Index With Waste Minimization and Reduced Emission in Electrical and Electronic Equipment”. Contemporary Mathematics 5, no. 3 (August 9, 2024): 3002–3037. Accessed November 17, 2024. https://ojs.wiserpub.com/index.php/CM/article/view/4381.