Poomkornsan, N. . “Losing Creativity Thinking of Students in the 21st Century Education”. Education Journal Faculty of Education, Nakhon Sawan Rajabhat University, vol. 5, no. 1, Apr. 2022, pp. 1-9, https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/252534.