Soleymani, Zahra, and Navideh Shakeri. “Phonological Awareness in Preschool Persian Speaking Children With Speech Sound Disorder: Impact of Comorbid Language Impairment”. Journal of Modern Rehabilitation 11, no. 4 (June 18, 2018): 237-244. Accessed December 10, 2019. http://jmr.tums.ac.ir/index.php/jmr/article/view/136.