P. . Sukumolanan, C. . Jiraphongsa, C. . Sripu, and C. . Unsang, “Evaluation of Chikungunya Virus Surveillance System in Chaiyaphum Province 2020”, The office of disease prevention and control 9th Nakhon Ratchasima Journal, vol. 27, no. 3, pp. 53–62, Sep. 2021.