Patel, Jimish R, et al. “Virtual Screening of Natural Compounds to Identify Potential Inhibitors of COVID-19 Protease Using Molecular Docking”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 13, no. 5, Sept. 2020, pp. 5090-01, doi:10.37285/ijpsn.2020.13.5.6.