Tangestani Zadeh, F., and E. Ahmadi. “Comparison of Visual Working Memory in Deaf and Hearingimpaired Students With Normal Counterparts: A Research in People Without Sign Language”. Auditory and Vestibular Research, Vol. 23, no. 6, July 2017, pp. 92-98, https://avr.tums.ac.ir/index.php/avr/article/view/209.