01337oam 2200373Ka 450 991069249090332120040225123801.0(CKB)5470000002352531(OCoLC)54441277ocm54441277(OCoLC)995470000002352531(EXLCZ)99547000000235253120040218d2002 ua 0spatxtrdacontentcrdamediacrrdacarrierLa agrupacion de edades multiples y el logro academico[electronic resource] =Multiage grouping and academic achievement /Susan J. KinseyChampaign, IL :ERIC Clearinghouse on Elementary and Early Childhood Education,[2002]ERIC digestTitle from title screen (viewed on Feb. 18, 2004).Agrupacion de edades multiples y el logro academico Nongraded schoolsAbility grouping in educationNongraded schools.Ability grouping in education.Kinsey Susan J1383934ERIC Clearinghouse on Elementary and Early Childhood Education.GPOGPOBOOK9910692490903321La agrupacion de edades multiples y el logro academico3429530UNINA