A study of the relative effectiveness of different approaches of speech training for mentally retarded children.
By: Co-directors: Leon Lasses, Gordon Low; research staff: Robert Gottsleben [and others]  Therapy consultant: Mildred Crerar.
Contributors: Lassers, Leon.; Low, Gordon Morris.
Published: 1960
Place of publication: San Francisco
Language: eng
Number of pages: 171
Subjects: Speech therapy.; Children with mental disabilities -- Education.