1. Single-case experimental designs: Strategies for studying behavior changes;Barlow,2009
2. Communications skills in girls with Rett syndrome;Bartolotta;Focus on Autism and other Developmental Disabilities,2011
3. Increasing functional communication in non-speaking preschool children: Comparison of PECS and VOCA;Bock;Education and Training in Developmental Disabilities,2005
4. The picture exchange communication system;Bondy;Seminars in Speech and Language,1998
5. The picture exchange communication system;Bondy;Behavior Modification,2001