TY  - BOOK
AU  - Chen,Huey-tsyh
TI  - Practical program evaluation: Assessing and improving planning, implementation, and effectiveness 
SN  - 9780761902324 
U1  - 300.72 22
PY  - 2005///
CY  - Thousand Oaks, Calif.
PB  - Sage
KW  - Evaluation research (Social action programs)
N1  - Includes bibliographical references (p. 273-279) and index
ER  -