Rossi, Peter Henry 1921 Evaluation: a systematic approach by Peter H. Rossi, Howard E. Freeman, and Mark W.Lipsey. - 6th ed. - Thousand Oaks, California: SAGE Publications, 1999. - x, 500p.: ill.; 24cm. Includes bibliographical references (p. 451-475) and index. ISBN: 0716908935 Subjects--Topical Terms: Evaluation research (Social action programs).