Jivaramonaikul, T., N. Nittayasoot, and R. Suphanchaimat. “An Investigation of a Coronavirus Disease (COVID-19) Cluster from Saudi Arabia, in a State Quarantine, Chonburi, Thailand, 2020”. Outbreak, Surveillance, Investigation & Response (OSIR) Journal, vol. 14, no. 4, Dec. 2021, pp. 121–126, doi:10.59096/osir.v14i4.262512.