Punyachindtawatt, Sarunyaphatch, and Passakorn Koomsiri. “ Rayong Province”. Journal of Preventive Medicine Association of Thailand 11, no. 2 (September 8, 2021): 407–417. Accessed April 20, 2024. https://he01.tci-thaijo.org/index.php/JPMAT/article/view/249124.