Engel, Rafael J. The practice of research in social work Rafael J. Engel, Russell K. Schutt. - Thousand Oaks, Calif. ; London : SAGE Pubs., 2005. - xxii, 554 p. : ill. ; 23 cm. Includes bibliographical references and index. ISBN: 1412913853 Subjects--Topical Terms: Social service -- Research -- Textbooks. Dewey Class. No.: 361.3072 22 ENG