เปียผ่อง ส. Welfare pension fund baht per day for the elderly along the sufficiency economy philosophy in the opinion of Nongchok Credit Union Members Petchaburi Province. JYRI [internet]. 2010 Dec. 5 [cited 2026 Sep. 24];1(1):137-4. available from: https://so04.tci-thaijo.org/index.php/yri/article/view/172674