1-4 of 4 Books

Augmentative and alternative communication and severe disabilities
By Erna Alant,Lyle Lloyd

Genetics and hearing impairment
By Alessandro Martini,A. P. Read,Dafydd Stephens,Dai Stephens,Andrew Reed

Language in mental retardation
By J. A. Rondal,Jean-Adolphe, PhD Rondal,Susan Edwards

Introduction to augmentative and alternative communication
By Stephen von Tetzchner,Von Tetzchner,Stephen Von Tetzchner,Harald Martinsen