Evaluation :

Rossi, Peter H. 1921-2006.

Evaluation : a systematic approach / Peter H. Rossi, Mark W. Lipsey, Howard E. Freeman. - 7th ed. - Thousand Oaks, CA : Sage, c2004. - x, 470 p. : ill. ; 24 cm.

Includes bibliographical references (p. 437-455) and indexes.

9780761908944 0761908943 (alk. paper)

2003015926

361.61072