TY  - BOOK
AU  - Davidson,J.E.
TI  - Evaluation methodology basics: the nuts and bolts of sound evaluation
SN  - 9780761929307
AV  - DUCE H62.D254 
PY  - 2005///
CY  - London
PB  - Sage
KW  - Evaluation research-social action programs
N1  - includes bibliographical references and index
ER  -