Grogan-Johnson, Sue, Rodney M. Gabel, Jacquelyn Taylor, Lynne E. Rowan, Robin Alvares, and Jason Schenker. “A Pilot Investigation of Speech Sound Disorder Intervention Delivered by Telehealth to School-Age Children”. International Journal of Telerehabilitation 3, no. 1 (May 24, 2011). Accessed September 21, 2021. http://telerehab.pitt.edu/ojs/Telerehab/article/view/6064.