TY  - BOOK
AU  - Rossi,Peter H..
AU  - Freeman,Howard E..
TI  - Evaluation : a systematic approach / 
SN  - 0803917848
U1  - 001.4 
PY  - 1982///
CY  - Beverley Hills : 
PB  - Sage Publications , 
KW  - EVALUATION RESEARCH(SOCIAL ACTION PROGRAMS)
N1  - NULL
ER  -