J. Tritipsombut, C. Kaopimai, W. Sornchamnong, W. Thoengnog, S. Thuengthao, and A. Yoongklang, “Health Care Behaviors of The Elders Using 11 Basic Elements for Health”, SRIMEDJ, vol. 30, no. 5, pp. 482–490, Dec. 2015.