สิมะรักษ์อำไพ อ., and พิมดา ภ. “ NakhonRatchasima province”. Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima, vol. 23, no. 2, Sept. 2017, pp. 46-54, https://he02.tci-thaijo.org/index.php/ODPC9/article/view/188941.