Shah, Sajid, Kamal Shah, Thabet Abdeljawad, and Eiman. “On Artificial Neural Network to Analyze Discrete Fractional Order COVID-19 Mathematical Model”. Contemporary Mathematics 7, no. 2 (March 27, 2026): 2195–2227. Accessed April 1, 2026. https://ojs.wiserpub.com/index.php/CM/article/view/9699.