Sirisopikun, Tosaporn. 2024. “An Echocardiographic Study of Congenital Heart Disease in Children at Maharat Nakhon Ratchasima Hospital: One year experience”. Maharat Nakhon Ratchasima Hospital Journal 26 (2). Nakhon Ratchasima,Thailand:83-90. https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/2162.