Evaluation for the 21st century : a handbook / editors, Eleanor Chelimsky, William R. Shadish. - Thousand Oaks, Calif. : Sage Publications, c1997. - xiii, 542 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 076190610X (acidfree paper) 0761906118 (pbk. : acidfree paper) LCCN: 96025373 Subjects--Topical Terms: Evaluation research (Social action programs) LC Class. No.: H62 / .E8473 1997 Dewey Class. No.: 001.4 / EVA 1997