TY  - BOOK
AU  - Heller, H. William
AU  - Spooner, Fred
AU  - Enright, Brian E.
TI  - Classic articles : a reflection into the field of mental retardation / [et al.]
KW  - EDUCACION ESPECIAL
KW  - HISTORIA EDUCATIVA
KW  - PUBLICACIONES
KW  - RETRASO MENTAL
N1  - Enero 1992
ER  -