Rúa, Manuel Ojea. “The Learning of Conceptual Categories for Students With Level 1 Autism Spectrum Disorder”. Journal of Intellectual Disability - Diagnosis and Treatment 4, no. 2 (August 15, 2016): 129–139. Accessed October 5, 2024. http://lifescienceglobalca.com/index.php/jiddt/article/view/4042.