Klein, Alan F. Effective groupwork an introduction to principle and method / [Book :] Alan F. Klein. - New York : Association Press, 1972. - 384 p. ; 24 cm. Includes bibliographical references and index. -. All Ages. ISBN: 0809618451 0809618451: 0809618451: 0809618451 0809618451 0809618451: 0695810774 LCCN: 77189011 Subjects--Topical Terms: Social group work.Group relations training.Service social des groupes.Relations humaines--Formation.Service social des groupes.Groupes, Relations de--Formation.Group Processes.Group Structure.Psychology, Social. LC Class. No.: HV45 / .K536 Dewey Class. No.: 361.4 361.4 361.4