TY  - GEN
AU  - Norlin,Julia M.
AU  - Chess,Wayne A.
TI  - Human behavior and the social environment: social systems theory 
SN  - 020515929X
U1  - 361.3/2 20
PY  - 1997///
CY  - Boston
PB  - Allyn and Bacon
KW  - Social service
KW  - Social systems
KW  - Mathematical models
KW  - Human behavior
N1  - Chess's name appears first on the earlier editions; Includes bibliographical references and index
ER  -