Phillips, Gerald M. Group discussion, a practical guide to participation and leadership / Gerald M. Phillips, Douglas J. Pedersen, Julia T. Wood. - Boston : Houghton Mifflin, c1979. - xvii, 253 p. ; 25 cm. Includes bibliographies and indexes. ISBN: 0395254159 LCCN: 78056441 //r922 Subjects--Topical Terms: Discussion.Group problem solving. LC Class. No.: HM73 / .P42 Dewey Class. No.: 302.3/4