TY  - BOOK
AU  - Posavac,Emil J
AU  - Carey,Raymond G
TI  - Program evaluation : methods and case studies 
SN  - 0132553325
AV  - H62.5.U5 P62 1996
U1  - 361.61072 22
PY  - 1997///
CY  - New Jersey
PB  - Prentice Hall
KW  - Evaluation research (Social action programs)
KW  - United States
N1  - Includes bibliographical references (p. 272-293) and indexes
ER  -