ภู่จินดา วิสาขา, and วงศ์จันทร์ ภารณ. “Opinion of Elderly on Environmental Management for Elderly by Sub-District Local Administrative Organization”. Journal of Social Sciences and Humanities Research in Asia 24, no. 1 (June 11, 2018): 103–148. accessed April 22, 2026. https://so05.tci-thaijo.org/index.php/psujssh/article/view/127912.