TY  - BOOK
AU  - Chess,Wayne A.
AU  - Norlin,Julia M.
TI  - Human behavior and the social environment: a social systems model 
SN  - 0205128246 (alk. paper) :
AV  - HV40 .C53 1991
U1  - 361.3/2 20
PY  - 1991///
CY  - Boston
PB  - Allyn and Bacon
KW  - Social service
KW  - Social systems
KW  - Mathematical models
KW  - Human behavior
N1  - Includes bibliographical references and index
UR  - http://www.archive.org/details/humanbehaviorsoc00ches
UR  - http://www.openlibrary.org/books/OL1881353M
ER  -