Cason, Jana, Diane Behl, and Sharon Ringwalt. “Overview of States’ Use of Telehealth for the Delivery of Early Intervention (IDEA Part C) Services”. International Journal of Telerehabilitation 4, no. 2 (December 14, 2012). Accessed August 16, 2022. http://telerehab.pitt.edu/ojs/Telerehab/article/view/6105.