Ahangar, A. A., M. Mazaheri, and M. Soltani Nezhad. “Comparing Perception of Antonymy Between Persian-Speaking Educable Children With Intellectual Disabilities and Typically Developing Children”. Journal of Modern Rehabilitation, Vol. 11, no. 4, June 2018, pp. 219-30, http://jmr.tums.ac.ir/index.php/jmr/article/view/134.