Sangsuwan, Watcharakiti, and Suebsiri Sae Lee. “Application of participatory design to development of organic farming game based on the philosophy of sufficiency economy”. Creative Science 11, no. 3 (August 26, 2019): 96–104. accessed September 3, 2026. https://ph01.tci-thaijo.org/index.php/snru_journal/article/view/188876.