ภัทรวัฒนาภรณ์ ยิ่งยศ. “ Pra Nakhon Si Ayutthaya Province”. Journal of Preventive Medicine Association of Thailand 4, no. 3 (January 31, 2019): 185–193. Accessed May 12, 2024. https://he01.tci-thaijo.org/index.php/JPMAT/article/view/169389.