@book{94403, author = {Hopper, Earl. and ebrary, Inc.}, title = {Traumatic experience in the unconscious life of groups}, publisher = {Jessica Kingsley Pub,}, year = {2003.}, series = {International library of group analysis ;}, address = {Philadelphia, PA :}, url = {http://ezproxy.taylors.edu.my/login?url=http://site.ebrary.com/lib/taylorscollege/Doc?id=10064470} }