مؤلف: Keith Landis

ARTHUR E. JONGSMA, Jr., Ph D, is Series Editor for the bestselling Practice Planners®. He is also the founder and Director of Psychological Consultants, a group private practice in Grand Rapids, Michigan. KEITH LANDIS, MA, diagnoses and treats geriatric patients with communication disorders at Alden Rehabilitation and Nursing Centers in Illinois. JUDITH VANDER WOUDE, Ph D, is a Speech-Language Pathologist and Associate Professor for the Speech Pathology and Audiology Program at Calvin College in Grand Rapids, Michigan.