TY  - BOOK
AU  - Rossi, Peter Henry,
AU  - Freeman, Howard Edgar.
TI  - Evaluation: a systematic approach 
SN  - 0803924887
U1  - 361.6 ROS 19
PY  - 1985///
CY  - Beverly Hills
PB  - Sage
KW  - Evaluation research (Social action programs)
N1  - Bibliographical references (p. 401-414) and index
ER  -