Sonthichai, C., S. Iamsirithaworn, D. Cummings, P. Shokekird, A. Niramitsantipong, S. Khumket, M. Chittaganpitch, and J. Lessler. “Effectiveness of Non-pharmaceutical Interventions in Controlling an Influenza A Outbreak in a School, Thailand, November 2007”. Outbreak, Surveillance, Investigation & Response (OSIR) Journal, vol. 4, no. 2, Dec. 2011, pp. 6-11, doi:10.59096/osir.v4i2.263354.