Chinchai, S., Kesaraksha, W., Wongrujipairoj, S., & Vittayakorn, S. (2008). Effect of the stimulation of Two-point discrimination sensation on Brailles’ writing and reading skills in blind children. Journal of Associated Medical Sciences, 41(3), 187. retrieved from https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60106