TY  - BOOK
AU  - Rossi,Peter H.
AU  - Freeman, Howard E. 
TI  - Evaluation: a systematic approach 
SN  - 0803934890
U1  - 361.61072 23
PY  - 1989///
CY  - London
PB  - Sage Pub.
KW  - Evaluation research (Social action programmes)
N1  - Includes index
ER  -