References
- Beukelman, D. R., & Mirenda, P. (2013). Augmentative and alternative communication. Supporting children and adults with complex communication needs (4th ed.). Baltimore, MD: Paul H. Brookes.
- Downing, J. E. (2005). Teaching communication skills to students with severe disabilities. Baltimore, MD: Paul H. Brookes.
- Gast, D. L. (2010). Single subject research methodology in behavioral sciences. New York, NY: Routledge.
- Light, J. (1988). Interaction involving individuals using augmentative and alternative communication: State of the art and future research directions. Augmentative and Alternative Communication, 4, 66–82.10.1080/07434618812331274657
- Morgan, M. F., Moni, K. B., & Jobling, A. (2009). Who? Where? What? When? Why? How? Question words—What do they mean? British Journal of Learning Disabilities, 37, 178–185.10.1111/bld.2009.37.issue-3
- Schlosser, R. W. (1999). Comparative efficacy of interventions in augmentative and alternative communication. Augmentative and Alternative Communication, 15, 56–68.10.1080/07434619912331278575