Phungdee, T., Wattanathamrong, V., & Sirisopon, N. (2020). The effectiveness of strengthening leg muscles physical exercise promotion program for preventing falls of the elderlies in Thailand. Interdisciplinary Research Review, 15(2), 19-23. Retrieved from https://ph02.tci-thaijo.org/index.php/jtir/article/view/229012