A discrete-time epidemic model for the analysis of transmission of COVID19 based upon data of epidemiological parametersD. Ghosh, P. K. Santra, G. S. Mahapatra, Amr Elsonbaty and A. A. ElsadanyEur. Phys. J. Spec. Top., 231 18-20 (2022) 3461-3470DOI: https://doi.org/10.1140/epjs/s11734-022-00537-2