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1
by Barrera Osorio, Felipe
Published 2009
World Bank/IBRD
Table of Contents: “...'s national voucher program / Gregory Elacqua, Dante Contreras, and Felipe Salazar -- Cognitive ability...”
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2
by Barrera Osorio, Felipe
Published 2008
National Bureau of Economic Research
“... magnitude similar to that of the direct effect"--National Bureau of Economic Research web site...”