Budtarach, Pradit, Nongnapas Thiengkamol, and Tanarat Koowaranyoo Thiengkamol. “Model of Environmental Education Strategy Integrated With Traditional Knowledge for Primary School Administrator”. Journal of Industrial Education 14, no. 2 (August 31, 2015): 711–718. Accessed April 28, 2024. https://ph01.tci-thaijo.org/index.php/JIE/article/view/122629.