Namwong, T., Saengpak, M., Thanapathomsinchai, P., Duangkaew, J., Khampat, S., Wisitphachonchai, P. and Pratchayakhup, P. (2021) “Development of COVID-19 Surveillance System, Yasothon Province”, Disease Control Journal. Nonthaburi, TH, 47(Suppl 2), pp. 1179–1190. doi: 10.14456/dcj.2021.102.