Ali, W., A. Alqufly, I. Aljabr, and S. . Bin Nafisah. “Prevalence of COVID-19 in Al Qassim Province, Saudi Arabia: A Sociodemographic Analysis”. The Journal of Medicine, Law & Public Health, vol. 1, no. 2, June 2021, pp. 33-36, doi:10.52609/jmlph.v1i2.16.