Middleman, Ruth R. Social service delivery : a structural approach to social work practice / [by] Ruth R. Middleman and Gale Goldberg. - New York : Columbia University Press, 1974. - 233 p. ; 23 cm. - 361.3 . Includes bibliographical references. ISBN: 0231037309 Subjects--Topical Terms: Social service.Social workers. Dewey Class. No.: 361.3