Nantasang , Alongkorn, and Siwach Sripokangkul. “The Lesson Learned from the Waste Management Project along with Sustainable Environmental Development into a Natural Classroom ‘Bavorn’”. Journal of Modern Learning Development 8, no. 5 (May 30, 2023): 103–119. accessed August 28, 2026. https://so06.tci-thaijo.org/index.php/jomld/article/view/261571.