A. Wongkongdech, N. . Yukalung, W. . Hanrinth, and R. . Wongkongdech, “Health status and dietary behavior of the elderly in the area of Nong Hi Sub-district Municipality, Nong Hi District, Roi Et Province”, ubruphjou, vol. 10, no. 1, pp. 134–141, Jun. 2021.