TY  - BOOK
AU  - Hallahan, Daniel P.
TI  - Some thoughts on why the prevalence of learning disabilities has increased
KW  - CAMBIO SOCIAL
KW  - DIAGNOSTICO EDUCATIVO
KW  - DISCIPLINA INTELECTUAL
KW  - FRECUENCIA
KW  - PROBLEMAS DE APRENDIZAJE
N1  - Abril 1993
ER  -