1. Applied Verbal Behavior/Association for Science in Autism Treatment (ASAT) http://www.asatonline.org/resources/procedures/verbal.htm
2. Association for Behavior Analysis International (ABAI) http://www.abainternational.org/BA/FAQ14.asp
3. Association for Professional Behavior Analysts (APBA) APBA reporter #5 http://www.apbahome.net/newsletter.php?nid=5&aid=2
4. An analysis of vocal stereotypy and therapist fading;Athens;Journal of Applied Behavior Analysis,2008
5. Fixed-time teacher attention to decrease off-task behaviors of typically developing third graders;Austin;Journal of Applied Behavior Analysis,2008