作者: Carolyn Knight

Alex Gitterman is professor of social work at the University of Connecticut. His Columbia University Press books include Mutual Aid Groups, Vulnerable and Resilient Populations, and the Life Cycle, third edition (2005) and Handbook of Social Work Practice with Vulnerable Populations, third edition (2014). He is also the coeditor of The Encyclopedia of Social Work with Groups (2009) and Mental Health and Social Problems: A Social Work Perspective (2010).Carolyn Knight is professor emerita of social work at the University of Maryland, Baltimore County. She is coeditor of Trauma-Informed Supervision in a Global Context (2019) and Group Work with Populations at Risk, fourth edition (2016) and the author of Introduction to Working with Adult Survivors of Childhood Trauma (2009).Carel B. Germain (1916–1995) was professor emerita of social work at the University of Connecticut. Her books include Human Behavior in the Social Environment: An Ecological View, second edition (Columbia, 1999).