LEADER 01340nam 2200373Ka 450 001 9910690962803321 005 20010724085222.0 035 $a(CKB)5470000002342714 035 $a(OCoLC)45383092 035 9 $aocm45383092 035 $a(OCoLC)995470000002342714 035 $a(EXLCZ)995470000002342714 100 $a20001117d1999 ua 0 101 0 $aeng 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPromoting language proficiency and academic achievement through cooperation$b[electronic resource] /$fCalderon, Margarita Espino 210 1$aWashington, DC :$cERIC Clearinghouse on Languages and Linguistics,$d[1999] 225 1 $aERIC digest ;$vEDO-FL-99-11 300 $aDistributed to depositories in microfiche, shipping list no.: 2001-0168-M. 300 $aTitle from title screen. 606 $aGroup work in education 606 $aSecond language acquisition 615 0$aGroup work in education. 615 0$aSecond language acquisition. 700 $aCaldero?n$b Margarita$0848339 712 02$aERIC Clearinghouse on Languages and Linguistics. 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910690962803321 996 $aPromoting language proficiency and academic achievement through cooperation$93426461 997 $aUNINA