John R. Slate, Glenn E. Barnes Jr, and George W. Moore. “Differences in Academic Performance by School District Size for Students in Special Education: A Multiyear, Statewide Investigation”. Global Journal of Human-Social Science 17, no. G2 (January 15, 2017): 19–29. Accessed May 3, 2024. https://socialscienceresearch.org/index.php/GJHSS/article/view/1978.