TY  - BOOK
AU  - Pawson,Ray
AU  - Tilley,Nick
TI  - Realistic evaluation
SN  - 9780761950097 (pbk.)
U1  - 001.4 PAW 
PY  - 1997///
CY  - London
PB  - Sage
KW  - Evaluation research (Social action programs)
KW  - Evaluation
N1  - Gratis
Bapu Trust
ER  -