1.
One-To-One Training Instructional Procedures for Learners With Developmental Disabilities
by Duker, Pieter C., Didden, R...
ISBN: 9780890799802
List Price: $46.90
2.
Teaching the Developmentally Handicapped Communicative Gesturing A How to Do Book
by Duker, Pieter C.
ISBN: 9789026509407
List Price: $43.95