Jundaharn M, Suksawat J. Happiness of Self-Reliance with Elderly in Countryside Phu Rua, Loei. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University [Internet]. 2018 Feb. 1 [cited 2024 May 8];12(2):515-30. Available from: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/104626