TY  - BOOK
AU  - Pawson,Ray
AU  - Tilley,Nick
TI  - Realistic evaluation
SN  - 0761950095
U1  - 001.4 
PY  - 1998///
CY  - London
PB  - Sage
KW  - Realistic evaluation
KW  - Evaluation
KW  - Evaluation research (Social action programs)
ER  -