Patra, B., J. Behura, V. Dewan, T. P. Yadav, V. Datta, and D. Bahl. “Can We Predict the Duration of COVID-19 Pandemic? An Observational Analysis”. International Journal Of Community Medicine And Public Health, vol. 7, no. 8, July 2020, pp. 3062-8, doi:10.18203/2394-6040.ijcmph20203379.