ทุมทอง บุญเลี้ยง. “The Synthetic Model of Activities to Strengthen the Public Mind the Students’ Performance”. Journal of Behavioral Science for Development 6, no. 1 (January 30, 2014). Accessed May 10, 2024. https://so02.tci-thaijo.org/index.php/JBSD/article/view/15997.