Kaewkumkong, Ampa. “Environmental Learning Management in Response to Thailand’s Policy Driving Education Towards the ASEAN Community: Analyzing Policy Implementation”. King Prajadhipok’s Institute Journal 20, no. 1 (May 6, 2022): 168–191. Accessed April 25, 2024. https://so06.tci-thaijo.org/index.php/kpi_journal/article/view/252259.