Maneechak, Wilaiwan, and Sainatee Pratanaphon. “Survey of Basic Geometric Form Copying Ability in Preschoolers Aged 3-5 in Amphur Muang, Chiang Mai”. Journal of Associated Medical Sciences 37, no. 2 (February 15, 2015): 71. Accessed May 17, 2024. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60228.