Howley, Craig B., and Aimee A. Howley. “School Size and the Influence of Socioeconomic Status on Student Achievement:Confronting the Threat of Size Bias in National Data Sets”. Education Policy Analysis Archives 12 (September 24, 2004): 52. Accessed April 25, 2024. https://epaa.asu.edu/index.php/epaa/article/view/207.