หาจัตุรัส สนิท. “Driving The Philosophy of Sufficiency Economy into Basic Education Ban Mae O Nai School, Chiang Dao District, Chiang Mai Province”. Community and Social Development Journal 19, no. 2 (December 26, 2018): 63–73. Accessed April 26, 2024. https://so05.tci-thaijo.org/index.php/cmruresearch/article/view/151800.