Cangur, S., H. Ankarali, and C. Icmeli. “Investigation of Factors Affecting the Intelligence Quotient (IQ) of Intellectually Disabled Children and Adolescents Using Modern Regression Approaches”. The Ethiopian Journal of Health Development, vol. 32, no. 1, Mar. 2018, https://ejhd.org/index.php/ejhd/article/view/1656.