Rossi, Peter Henry, 1921- Evaluation : a systematic approach / Peter H. Rossi, Howard E. Freeman ; with the collaboration of Sonia Rosenbaum. - 2nd ed. - Beverly Hills, Calif. : Sage Publications, c1982. - 351 p. ; 24 cm. - 361.6/1/072 . Includes indexes. Bibliography: p. 331-344. ISBN: 0803917848 Subjects--Topical Terms: Evaluation research (Social action programs) Dewey Class. No.: 361.6/1/072