Kamalashiran, Chuntida, Kusuma Sriyakul, Somboon Kietinun, Parunkul Tungsukruthai, and Pratya Phetkate. “A Study on the Elederly’s Behavior on Self-Health Care With Thai Traditional Medicine in Four Regions of Thailand”. Journal of Health Science of Thailand 29, no. 1 (February 28, 2020): 36–47. Accessed July 23, 2024. https://thaidj.org/index.php/JHS/article/view/8529.