1.
 |  | Title: Challenging Behaviour and Developmental Disability by Jeff Sigafoos, Michael Arthur, Mark O'Reilly ISBN: 1861563787 Publisher: Whurr Publishers, Ltd. Pub. Date: 30 September, 2004 List Price: $30.95 Amazon.com Price: $30.95 |
2.
 |  | Title: One-To-One Training: Instructional Procedures for Learners With Developmental Disabilities by Pieter C. Duker, Robert Didden, Jeff Sigafoos ISBN: 0890799806 Publisher: Pro-Ed Pub. Date: 01 July, 2004 List Price: $55.01 Amazon.com Price: $55.01 |
3.
 |  | Title: Implementing Augmentative and Alternative Communication: Strategies for Learners With Severe Disabilities by Joe Reichle, Jennifer York, Jeff Sigafoos, Jennifer York-Barr ISBN: 1557660441 Publisher: Paul H Brookes Pub Co Pub. Date: 01 January, 1991 List Price: $46.00 Amazon.com Price: $46.00 |
4.
 |  | Title: Partners in Everyday Communicative Exchanges: A Guide to Promoting Interaction Involving People With Severe Intellectual Disability by Nancy Butterfield, Michael Arthur, Jeff Sigafoos ISBN: 155766241X Publisher: Brookes Publishing Company Pub. Date: 01 October, 1996 List Price: $43.00 Amazon.com Price: $43.00 |