Parenting The Strong-willed Child : The Clinically Proven Five-week Program For Parents Of Two- To Six-year-olds, Third Edition: The Clinically Proven - , Ph.d. Nicholas Long A clinically proven, five-week program for improving your child's behaviorRex Forehand, Ph.D. and Nicholas Long Ph.D. have helped thousands of... ePub format apps only, non-refundable! Add To Basket 16.95 USD X The seller ebook-reader offers you 15.0% on each sale!