Siriphannon, N., and P. Yuankrathok. “The Visual Guidance Results Together With The Token Economy for Attentive Behavior Towards Learning of Students With Attention Deficit Hyperactivity Disorder (ADHD) Primary School in Chaiyaphum School for The Deaf”. Journal of Education Khon Kaen University (Graduate Studies Research), vol. 13, no. 2, Sept. 2019, pp. 87-93, https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/216858.