อยู่ดี ธมนวรรณ, and ฉัพพรรณรัตน์ ยุทธนา. “Thai Classical Music Instruction for The Elderly in Thailand : A Case Study of Quality of Life for Elderly Development Center Nonthaburi Municipality”. Journal of Fine and Applied Arts Khon Kaen University 11, no. 2 (December 27, 2019): 27–48. Accessed May 3, 2024. https://so02.tci-thaijo.org/index.php/fakku/article/view/232492.