John R. Slate, John R. Slate, George W. Moore, and Carolyn F. Fiaschetti. “Differences in Academic Performance by Grade Span Configuration for Students in Poverty”. Global Journal of Human-Social Science 16, no. G8 (May 15, 2016): 11–22. Accessed May 1, 2024. https://socialscienceresearch.org/index.php/GJHSS/article/view/1915.