Title: Stammering: A resource book for teachers, Author: Trudy Stewart
Title: Stammering: A resource book for teachers / Edition 1, Author: Trudy Stewart
Title: Communication Interventions for Individuals with Severe Disabilities: Exploring Research Challenges and Opportunities, Author: Rose A. Sevcik Ph.D.
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Title: Language and Communication in Mental Retardation: Development, Processes, and intervention / Edition 1, Author: Sheldon Rosenberg
Title: Language and Communication in Mental Retardation: Development, Processes, and intervention, Author: Sheldon Rosenberg