Tupanich, Walaya, Suteekarn Chaiyalap, and Kitti Chaiyalap. “Problems and Needs of Older Adults Living in Urban Area, Bangkok Metropolitan”. Vajira Medical Journal : Journal of Urban Medicine 63, no. Supplement (July 25, 2019): S83–92. Accessed May 9, 2024. https://he02.tci-thaijo.org/index.php/VMED/article/view/205363.