01340nam 2200373Ka 450 991069096280332120010724085222.0(CKB)5470000002342714(OCoLC)45383092ocm45383092(OCoLC)995470000002342714(EXLCZ)99547000000234271420001117d1999 ua 0engtxtrdacontentcrdamediacrrdacarrierPromoting language proficiency and academic achievement through cooperation[electronic resource] /Calderon, Margarita EspinoWashington, DC :ERIC Clearinghouse on Languages and Linguistics,[1999]ERIC digest ;EDO-FL-99-11Distributed to depositories in microfiche, shipping list no.: 2001-0168-M.Title from title screen.Group work in educationSecond language acquisitionGroup work in education.Second language acquisition.Calderón Margarita848339ERIC Clearinghouse on Languages and Linguistics.GPOGPOBOOK9910690962803321Promoting language proficiency and academic achievement through cooperation3426461UNINA