Wongkum S, Ngamchaiyaphum P, Khanphonoi A. The Buddha Dhamma Principles for Developing the Elderly life of Human Kind. IARJ [internet]. 2023 Mar. 6 [cited 2026 Oct. 4];3(2):281-90. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/266540