Applying an Individualized Instruction Plan (IIP) to Enhance Cognitive Skills in Recognizing Numbers 1-9 for Children with Autism at the Preparatory Level, Lamphun Special Education Center (จี้รัตน์ น., โพธาสินธุ์ ว. ., & สุขยศศรี ศ. . , Trans.). (2025). The 15th Benjamit National and International Conference, 15(3), 204-216. https://benjamit.thonburi-u.ac.th/ojs/bmv15/article/view/394