ผู้เขียน: Arthur E. Jongsma

Arthur E. Jongsma, Jr., Ph D, is Series Editor for the bestselling Practice Planners. Since 1971, he has provided professional mental health services to both inpatient and outpatient clients. He managed a group private practice for twenty-five years and is now the Executive Director of Life Guidance Services in Grand Rapids, Michigan. David J. Berghuis, MA, LLP, is in private practice and has worked in community mental health for more than a decade. He is also coauthor of numerous titles in the Practice Planners series.