Suansri, Matura, Somkid Suansri, and Patcharin Jungprawat. “Promotion Approach for The Elderly Health Tourism In Nakorn-Nayok Province”. Community and Social Development Journal 23, no. 2 (August 30, 2022): 155–173. Accessed May 20, 2024. https://so05.tci-thaijo.org/index.php/cmruresearch/article/view/249286.