TY  - GEN
AU  - Posavac , Emil J.
AU  - Carey , Raymond G.
TI  - Program evaluation : methods and case studies
SN  - 0132553325
U1  - 361.61072 
PY  - 1997///
CY  - New Jesey
PB  - Prentice Hall
KW  - EVALUATION RESEARCH - UNITED STATES
KW  - SOCIAL PROBLEMS
UR  - www.prenhall.com
ER  -