Boonaphatjarern, N., Panthong, K., & Juntapremjit, S. (2020). The Effects of Applying Graphic Images Based on the Mandala structure for Increasing Visual Attention and Visuospatial ability for Children at Risk of ADHD: -. Dhammathas Academic Journal, 20(3), 173–186. retrieved from https://so06.tci-thaijo.org/index.php/dhammathas/article/view/207590