Obied, D. A., F. S. Alhamlan, A. A. Al-Qahtani, and M. N. Al-Ahdal. “Containment of COVID-19: The Unprecedented Response of Saudi Arabia”. The Journal of Infection in Developing Countries, Vol. 14, no. 07, July 2020, pp. 699-06, doi:10.3855/jidc.13203.