TY  - BOOK
AU  - CHELIMSKY,Eleanor
AU  - Chelimsky,Eleanor
AU  - Shadish,William R
TI  - Evaluation for the 21st century: a handbook 
SN  - 076190610X
AV  - H62 .E8473 1997
U1  - 001.4 21
PY  - 1997///]
CY  - Thousand Oaks, Calif.
PB  - Sage Publications
KW  - Evaluation research (Social action programs)
KW  - Recherche ©♭valuative (Programmes d'action sociale)
N1  - Include index
ER  -