Bouklai, S. . “Referral System of Appendicitis within Nakhon Ratchasima Province of Debaratana Nakhon Ratchasima Hospital”. Maharat Nakhon Ratchasima Hospital Journal, vol. 38, no. 2, Aug. 2024, pp. 79-84, https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/1576.