Phoopui, S., Wongkamjan, J., & Kalam, S. (2024). The Development of communication ability of students Intellectual Disabilities Using 3D Picture Cards with Positive Reinforcement. Journal for Developing the Social and Community, 11(1), 329–354. retrieved from https://so03.tci-thaijo.org/index.php/rdirmu/article/view/274883