Wongkongdech, Adisorn, Natchalida Yukalung, Weerapong Hanrinth, and Ranee Wongkongdech. 2021. “Health Status and Dietary Behavior of the Elderly in the Area of Nong Hi Sub-District Municipality, Nong Hi District, Roi Et Province”. UBRU Journal for Public Health Research 10 (1):134-41. https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/244809.