TY  - BOOK
AU  - Rossi,Peter Henry
AU  - Freeman,Howard E.
TI  - Evaluation : a systematic approach
SN  - 0803924887
U1  - H/62 
PY  - 1985///
CY  - Beverly Hills
PB  - Sage
KW  - Evaluation research (Social action programs)
N1  - Abstracts Includes indexes
ER  -