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Perceptual and Motor Skills|June 1, 1976
Performance of retarded and nonretarded adolescents when processing relevant and irrelevant informationS J Morelan, H J Prehm, D B Warrick
American Journal of Mental Deficiency|November 1, 1978
Systematic correction procedures in vocational-skill training of severely retarded individualsD W Close, L K Irvin, H J Prehm, et al.
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