Perceived Roles and Educable Mentally Handicapped Minority Students / Alfonso G. Prieto, Kathleen McCoy.Alfonso G. Prieto1979
Perception of Symbols in Skill Learning by Mentally Retarded, Gifted, and Normal Children Theodore L. Harris, Virgil E. Herrick G. Lawrence Rarick.University of Wisconsin. Committee for Research in Basic Skills.1961
An Investigation Of: 1. The Reasoning Methods and Reasoning Ability in Normal and Mentally Retarded Girls Rudolph J. Capobianco 2. The Reasoning Ability of Normal and Mentally Retarded Boys and Girls G. Orville Johnson.Rudolph J Capobianco, G. Orville Johnson1958EN
