Karoly, L. A. (2015). The Economic Impact of Achievement Gaps in Pennsylvania's Public Schools. RAND Corporation.
Chicago-viite (17. p.)Karoly, Lynn A. The Economic Impact of Achievement Gaps in Pennsylvania's Public Schools. RAND Corporation, 2015.
MLA-viite (9. p.)Karoly, Lynn A. The Economic Impact of Achievement Gaps in Pennsylvania's Public Schools. RAND Corporation, 2015.
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