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100   $a20040218d2002      ua             0
101 0 $aspa
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 13$aLa agrupacion de edades multiples y el logro academico$b[electronic resource] =$eMultiage grouping and academic achievement /$fSusan J. Kinsey
210  1$aChampaign, IL :$cERIC Clearinghouse on Elementary and Early Childhood Education,$d[2002]
225 1 $aERIC digest
300   $aTitle from title screen (viewed on Feb. 18, 2004).
517   $aAgrupacion de edades multiples y el logro academico 
606   $aNongraded schools
606   $aAbility grouping in education
615  0$aNongraded schools.
615  0$aAbility grouping in education.
700   $aKinsey$b Susan J$01383934
712 02$aERIC Clearinghouse on Elementary and Early Childhood Education.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910692490903321
996   $aLa agrupacion de edades multiples y el logro academico$93429530
997   $aUNINA