TY  - BOOK
AU  - Berk, Richard A
AU  - Rossi, Peter H
TI  - Thinking about program evaluation
SN  - 0803937040
U1  - 361.60684 21st
PY  - 1990///
CY  - London
PB  - Sage Publications
KW  - EVALUATION RESEARCH; DMEO
N1  - This book belongs to DMEO
ER  -