TY  - BOOK
AU  - Hallahan, Daniel P
AU  - Kauffman, James
TI  - Introduction to learning disabilities: a psycho-behavioral approach 
AV  - LC 4704 H34
PY  - 1976///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Trastornos de aprendizaje
ER  -