TY  - GEN
AU  - Posavac, Emil J.
AU  - Carey, Raymond G.
TI  - Program evaluation : methods and case studies
AV  - H62.5 Pos
PY  - 2003///
PB  - Prentice Hall
KW  - Evaluation research (Social action programs) - United States
N1  - 14828
ER  -