TY  - BOOK
AU  - Clarke, Alan
AU  - Dawson, Ruth
TI  - Evaluation research: an introduction to principles, methods and practice
SN  - 076195094x
U1  - T 300.72 
PY  - 1999///
CY  - London,U.K.
PB  - Sage Publications, Inc.
KW  - Evaluation research
ER  -