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David R. Ginglend

Play Activities for the Retarded Child: How to Help Him Grow and Learn Through Music, Games, Handicraft, and Other Play Activities
Music Activities for Retarded Children: A Handbook for Teachers and Parents
Ready to Work? The Development of Occupational Skills, Attitudes, and Behaviors with Mentally Retarded Persons
Ready to Work? Development of Occupational Skills, Attitudes, and Behaviors with Mentally Retarded Persons