Coogle, Christan, and Erin Barton. “Building Quality and Accountability: A Historical Analysis of Innovation in Early Childhood Special Education and Early Intervention”. Journal of Special Education Preparation 6, no. 2 (November 10, 2026): 105–113. Accessed November 12, 2026. https://openjournals.bsu.edu/JOSEP/article/view/6190.