TY  - BOOK
AU  - Pawson,Ray
AU  - Tilley,Nick
TI  - Realistic evaluation
SN  - 0761950095 (pbk.)
PY  - 1997///
CY  - London
PB  - SAGE
KW  - Evaluation research (Social action programs)
KW  - Evaluation
N1  - Includes bibliographical references (p. [221]-227) and index
ER  -