Program evaluation : methods and case studies
Emil J. Posavac, Raymond G. Carey
- 7th ed
- Upper Saddle River, N.J R. G. Carey and Associates c2007
- xvi, 336 p. : ill. ; 24 cm
Includes bibliographical references (p. 297-324) and index
9780132275606
2006012136
Evaluation research (Social action programs) - United States