M. Y. Shukor and M. S. Alam, “Mathematical Modelling of the Growth of SARS-CoV-2 (COVID-19) and SARS-CoV (SARS) Viruses in Vero E6 Cells”, J Environ Microbiol Toxicol, vol. 8, no. 1, pp. 1–4, Jul. 2020.