Boonyarat, S., Nualnetr, N., Eungpinichpong, W., & Emasithi, A. (2009). Effects of a physical therapy program based on clint-centered approach on functional balance in the elderly. Archives of Allied Health Sciences, 21(1), 57–73. retrieved from https://he01.tci-thaijo.org/index.php/ams/article/view/66180