Phanphairoj, Kanjanee, and Sakulkarn Waleeittipat. “Measurement scale of design thinking competency for Thai graduates’ 21st century skills”. Kasetsart Journal of Social Sciences 43, no. 4 (October 12, 2022): 857–866. accessed September 14, 2026. https://so04.tci-thaijo.org/index.php/kjss/article/view/261651.