Mato, Lugkana, Naritsara Butsatam, Witchayanon Tumma, Kwanchanok Wimoon, Punnee Peungsuwan, and Sugalya Amatachaya. 2012. “Balance Performance of Elderly in Amphur Muang, Khon Kaen province”. Archives of Allied Health Sciences 24 (2). Khon Kaen, Thailand:201-7. https://he01.tci-thaijo.org/index.php/ams/article/view/66281.