Wongstitwilairoong, T., S. L. Niyom, N. Soonthornworasiri, J. Gaywee, and J. Kaewkungwal. “Enhancing Epidemic Detection Using Syndromic Surveillance and Early Notification Methods”. Online Journal of Public Health Informatics, Vol. 10, no. 1, May 2018, doi:10.5210/ojphi.v10i1.8848.