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9Susan L.Aud.Education By The Numbers:The Fiscal Effect of School Chioice Programs ( 1990-2006 ) [ EB/OL ] .ht tp://www.heartland.org/custom/semod_policybol/pdf/ 21956.pdf, 2010-10-21.
10Jay Greene & Greg Forster.Vouchers for Special Education Students:An E- valuation of Florida's McKay Scholarship Program [EB/OL].http://www.manhattan- institute.org/html/cr_38.htm, 2010-10-21.
