TY  - BOOK
AU  - Pawson,Ray
TI  - The science of evaluation: a realist manifesto 
SN  - 9781446252420 (hbk.)
U1  - 361.61072 
PY  - 2013///
KW  - Evaluation research (Social action programs)
KW  - Evaluation
KW  - Policy sciences
ER  -