TY  - BOOK
AU  - Berger,Robert L.
TI  - Human behavior: a perpective for the helping professions
SN  - 0582285216
U1  - 361.32 
PY  - 1982///
CY  - 
PB  - Longman.
KW  - TRABAJO SOCIAL
N1  - Bibl., índice
ER  -