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  1. 1

    Las oligofrenias en un proceso diagnóstico-remedial / by Martin, María Irene

    Published 1975
    Book
  2. 2

    Motivación y diferencias individuales en la escuela /

    Published 1966
    Book
  3. 3

    The Effect of Possessing Verbal Analyzers Upon Comncept Learning in Mentally Retarded Children. by Nyborg, Magne

    Published 1971
    Book
  4. 4

    Síndrome de Down : estudio sociopedagógico / by Yadarola de Mathieu, María Eugenia

    Published 1996
    Thesis Book