สิมะรักษ์อำไพ อ. and พิมดา ภ. (2017) “ NakhonRatchasima province”., Journal of the office of disease prevention and control 9 Nakhon Ratchasima, 23(2), pp. 46–54. available at: https://he02.tci-thaijo.org/index.php/ODPC9/article/view/188941 (accessed: 8 January 2026).