Sobhonbuddhisart , Phrakru. “Participation to Develop the Conceptual Environment in Schools and Communities”. International Journal of Multidisciplinary in Management and Tourism 2, no. 1 (October 7, 2020): 21–29. accessed August 27, 2026. https://so03.tci-thaijo.org/index.php/ijmmt/article/view/247844.