TY  - BOOK
AU  - Berk, Richard A.
AU  - Rossi,Peter H.
TI  - Thinking about program evaluation
SN  - 0761917659 (pbk. : acidfree paper)
U1  - 361.6068 
PY  - 1999///
CY  - London
PB  - Sage
KW  - Evaluation research (Social action programs)
KW  - Utilization
N1  - Includes bibliographical references and index
ER  -