Wolery, Mark, Margaret Gessler Werts, and Ariane Holcombe. “Current Practices With Young Children Who Have Disabilities: Placement, Assessment, and Instruction Issues”. Focus on Exceptional Children 26, no. 6 (February 1, 1994). Accessed July 22, 2024. https://journals.ku.edu/focusXchild/article/view/6891.