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2000-2006t, A study investing effective factors on auditory speech & Language development in severe to profound hearing impaired children ,Rehabilitation Center ,U S W R , Tehran

1995 , A study investigating the cause of Sensorineural Hearing Loss in Children Below 16 years Old .

1996, A study on the Age of Diagnosis &Rehabilitation of Sensorineural Hearing Loss in Deaf Welfare Clinic.

The prevalence of External and Middle Ear in Sensorineural Hearing Impaired Children….2010

Additional Conductive Hearing Loss in Sensorineural Hearing Impaired Children….2011-12

The role of medical intervention on educational performance of children with bilateral mixed hearing loss.