Engleberg, Isa N. Working in groups / Working in groups : communication principles and strategies Isa Engleberg, Dianna Wynn. - 4th ed. - Boston, MA : Houghton Mifflin Co., c2007. - xxii, 426 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0205554873 9780205554874 0618677429 (main student text) Subjects--Topical Terms: Group relations training.Small groups.Communication in small groups.