Borvornsakulcharoen, Direk, Nongnapas Thiengkamol, and Tanarat Khoowaranyoo Thiengkamol. “Model of Environmental Law Knowledge for Undergraduate”. Journal of Industrial Education 14, no. 3 (December 31, 2015): 741–748. Accessed April 30, 2024. https://ph01.tci-thaijo.org/index.php/JIE/article/view/123474.