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*24504$aThe impact of school choice on student outcomes :$ban analysis of the Chicago Public Schools$cJulie Berry Cullen, Brian A. Jacob, Steven D. Levitt
*260  $aCambridge, Mass.$bNBER$c2000
*300  $a34, [14] s.
*4901 $aNBER working paper series$v7888
*7001 $aCullen, Julie Berry$_23292000
*7001 $aJacob, Brian A.$_36467900
*7001 $aLevitt, Steven D.$_25222800
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
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