TY  - BOOK
AU  -  Clarke,Alan
AU  -  Dawson,Ruth
TI  -  Evaluation research : :  an introduction to principles, methods, and practice / 
SN  -  076195094X
U1  -  001.4   22
PY  - 1999///
CY  -  London : 
PB  -  SAGE, 
KW  -  Evaluation research (Social action programs)
N1  -  Includes bibliographical references and index
ER  -