Evaluation : a systematic approach /

Bibliographic Details

Main Author:	Rossi, Peter H. (Peter Henry), 1921-2006
Other Authors:	Freeman, Howard E., Lipsey, Mark W.
Format:	Book
Language:	English
Published:	Thousand Oaks, Calif. : Sage Publications, [1999]
Edition:	6th ed.
Subjects:	Evaluation research (Social action programs)