Gevarter, C., O’Reilly, M. F., Rojeski, L., Sammarco, N., Lang, R., Lancioni, G. E., & Sigafoos, J. (2013). Comparisons of intervention components within augmentative and alternative communication systems for individuals with developmental disabilities: A review of the literature . Research in Developmental Disabilities , 34 (12), 4404–4414. https://doi.org/10.1016/j.ridd.2013.09.018
Gevarter, C., O’Reilly, M. F., Rojeski, L., Sammarco, N., Lang, R., Lancioni, G. E., & Sigafoos, J. (2013). Comparisons of intervention components within augmentative and alternative communication systems for individuals with developmental disabilities: A review of the literature. Research in Developmental Disabilities, 34(12), 4404–4414. https://doi.org/10.1016/j.ridd.2013.09.018
URL
http://www.sciencedirect.com.ezp3.lib.umn.edu/science/journal/08914222/34/12