Cognitive advancement in mentally retarded adolescents and adults.

Tang, Fay C. F.2009-03-232009-03-2319791979Source: Dissertation Abstracts International, Volume: 62-13, Section: A.http://hdl.handle.net/10393/8227http://dx.doi.org/10.20381/ruor-7196Philosophy.Cognitive advancement in mentally retarded adolescents and adults.Thesis