Gazda, George Michael, 1931- Group counseling : a developmental approach / George M. Gazda. - 2d ed. - Boston : Allyn and Bacon, c1978. - xviii, 425 p. ; 24 cm. Includes bibliographies and index. ISBN: 0205059589 : Subjects--Topical Terms: Group counseling. Dewey Class. No.: 371.4/044