A proposed fractional dynamic system and Monte Carlo-based back analysis for simulating the spreading profile of COVID-19Arash Sioofy Khoojine, Mojtaba Mahsuli, Mahdi Shadabfar, Vahid Reza Hosseini and Hadi KordestaniEur. Phys. J. Spec. Top., 231 18-20 (2022) 3427-3437DOI: https://doi.org/10.1140/epjs/s11734-022-00538-1