สำอางค์ศรี ส. (2018) “ Phra Nakhon Si Ayutthaya Hospital”., Journal of Preventive Medicine Association of Thailand, 5(1), pp. 42–54. available at: https://he01.tci-thaijo.org/index.php/JPMAT/article/view/159275 (accessed: 29 August 2026).