1. Adamovich, B. B., & Henderson, J. (1992). Scales of cognitive ability for traumatic brain injury (SCATBI). Austin, TX: Pro-Ed.
2. American Speech-Language-Hearing Association. (2018a). Learn about the CSD profession. Rockville, MD: Author. Retrieved July 15, 2018, from ASHA.org:
https://www.asha.org/Students/Learn-About-the-CSD-Professions/
3. American Speech-Language-Hearing Association. (2018b). The audiogram. Rockville, MD: Author. Retrieved July 15, 2018, from ASHA.org:
https://www.asha.org/public/hearing/Audiogram/
4. American Speech-Language-Hearing Association. (2018c). Clinical topics: Aphasia. Rockville, MD: Author. Retrieved April 24, 2018, from ASHA.org:
http://www.asha.org/Practice-Portal/Clinical-Topics/aphasia/
5. American Speech-Language-Hearing Association. (2018d). Augmentative and alternative communication (Practice Portal). Rockville, MD: Author. Retrieved May 8, 2018, from
www.asha.org/Practice-Portal/Professional-Issues/Augmentative-and-Alternative-Communication/