Toseland, Ronald W. An introduction to group work practice / Ronald W. Toseland, Robe rt F. Rivas. - 5th ed. - Boston : Pearson/Allyn and Bacon, c2005. - xvi, 544 p. ; ill. ; 24 cm. Includes bibliographical references (p. 493-530) and indexes. ISBN: 0205376061 Subjects--Topical Terms: Social group work.-------- Dewey Class. No.: 361.4