Lawson, Wenn B., and Brynn A. Dombroski. “Problems With Object Permanence: Rethinking Traditional Beliefs Associated With Poor Theory of Mind in Autism”. Journal of Intellectual Disability - Diagnosis and Treatment 5, no. 1 (April 10, 2017): 1–6. Accessed December 29, 2024. http://lifescienceglobalca.com/index.php/jiddt/article/view/4562.