Rakngam, Nattapong, and Waraduang Sommanasak. 2022. “Quality of life under the establishment of Philosophy of Sufficiency Economy and New Agricultural Theory Learning Center of the Sub-district”. Journal of Public Administration Chiang Rai Rajabhat University 5 (1). Chiangrai, Thailand:47-56. https://so16.tci-thaijo.org/index.php/POPACRRU/article/view/834.