ภู่เหลือ เฉลิมขวัญ. “ Phra Nakhon Si Ayutthaya Province”. Journal of Preventive Medicine Association of Thailand 6, no. 1 (October 24, 2018): 15–26. Accessed March 29, 2024. https://he01.tci-thaijo.org/index.php/JPMAT/article/view/151799.