Olumula, C. I., and G. M. Wairungu. “Cognitive Theories in Autism Spectrum Disorder: Why Individuals With Autism Behave the Way They Do”. European Journal of Science, Innovation and Technology, Vol. 4, no. 1, Mar. 2024, pp. 422-33, https://ejsit-journal.com/index.php/ejsit/article/view/393.