Treesorn , K., S. Phuangsriken, J. Charoensaen, P. Kucharin, A. Posri, and K. Discharoen. “Factors For Falls among Elderly : Ban Tha Muang Selaphum District Roi-Et Province”. Journal of Roi Et Rajabhat University, vol. 14, no. 3, Dec. 2020, pp. 220-33, https://so03.tci-thaijo.org/index.php/reru/article/view/246923.