1. Alavi, A., Mohammadi, M. R., Joshaghani, N., & Mahmoudi-Gharaei, J. (2010). Frequency of psychological disorders amongst children in urban areas of Tehran [in persian]. Iranian Journal of Psychiatry, 5(2), 55.
2. Alipour, A., & Mohammad-Esmail, E. (2001). Studying of validity, reliability, and cutoff points of (child symptom inventory-4) CSI-4 in the school children aged 6 to 14 in Tehran [In persian]. Tehran: Exceptional students’ Research Center.
3. American Psychiatric Association: Diagnostic and Statistical Manual of Mental Disorders 5th edition (2013). Arlington VA: American Psychiatric Association.
4. August, G. J., & Garfinkel, B. D. (1990). Comorbidity of ADHD and reading disability among clinic-referred children. Journal of Abnormal Child Psychology, 18(1), 29–45.
5. Bahramabadi, M. Z., & Gangi, K. (2014). The study of prevalence of attention deficit/hyperactivity disorder (ADHD) and it’s comorbidity with learning disorder (LD) in primary school’s students [In persian]. Journal of Learning Disabilities, 3(4.25–43), 25–43.