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*035  $a(EXLNZ-47BIBSYS_NETWORK)990400554774702201
*035  $a(NO-LaBS)14951058(bibid)
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*1001 $aCurrie, Janet$0(NO-TrBIB)2045413$_33099400
*24510$aGetting inside the "black box" of head start quality :$bwhat matters and what doesn't$cJanet Currie, Matthew Neidell
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2003
*300  $a40 s.
*4901 $aWorking Paper Series / National Bureau of Economic Research$v10091
*7001 $aNeidell, Matthew$0(NO-TrBIB)4003209$_41577300
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v10091$w999105437124702201$_13074900
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*999  $aoai:nb.bibsys.no:990400554774702202$b2021-11-14T19:54:42Z$z990400554774702202
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