Fathi Roshan, M., J. Fatahi, A. Geshani, and S. Jalaie. “Development, Validity and Reliability of Persian International Outcome Inventory for Hearing Aids Questionnaire”. Auditory and Vestibular Research, Vol. 26, no. 4, Nov. 2017, pp. 240-6, https://avr.tums.ac.ir/index.php/avr/article/view/648.