1. Kinesthetic movement after-effects in children with Down's Syndrome;Anwar;Journal of Mental Deficiency Research,1979
2. Principles of behaviour modification;Bandura,1969
3. Learning strategies as determinants of memory deficiencies;Belmont;Cognitive Psychology,1971
4. Language and communication in the mentally handicapped;Berry,1976
5. A functional analysis of retarded development;Bijou,1966