TY  - BOOK
AU  - Hallahan,Daniel P.
AU  - Kauffman,James M.
TI  - Introduction to learning disabilities : : a psycho-behavioral approach / 
T2  - Prentice-Hall Special Education Series
SN  - 0134855248
U1  - 371.9 
PY  - 1976///
CY  - Englewood Cliffs : 
PB  - Prentice-Hall, 
KW  - Trastornos del aprendizaje
KW  - Dificultades del aprendizaje
ER  -