TY  - BOOK
AU  - Berk, Richard A.
ED  - Rossi,  Peter  H.
TI  - Thinking about program evaluation
SN  - 0803937040
U1  - 361.6072 
PY  - 1990///
CY  - New Delhi
PB  - Sage Publications
KW  - Evaluation Research(social Action Programme}-Utilization
ER  -