ไทยราช ป. “Trends in drug resistance incidence of Pediatric patients Sichon Hospital, Nakhon Sri Thammarat Province”. Region 11 Medical Journal, vol. 32, no. 3, Sept. 2018, pp. 1213-26, https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/158790.