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Evaluation : a systematic approach / Peter H. Rossi, Howard E. Freeman.
- 361.61072 R831 1993
- Rossi, Peter H. 1921-2006.
- Sage Publications,
- 1993.
- Newbury Park, Calif. :
-
Evaluation : a systematic approach / Peter H. Rossi, Howard E. Freeman, Mark W. Lipsey.
- 361.61072 R831 1999
- Rossi, Peter H. 1921-2006.
- Sage Publications,
- c1999.
- Thousand Oaks, Calif. :