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*1001 $aHægeland, Torbjørn$d1969-$0(NO-TrBIB)90771163$_14710400
*24510$aChanging returns to education across cohorts :$bselection, school system or skills obsolescence?$cTorbjørn Hægeland
*260  $aOslo$bStatistisk sentralbyrå$c2001
*300  $a48 s.$bdiagr.
*4901 $aDiscussion papers / Statistics Norway, Research Department$vno. 302
*533  $aElektronisk reproduksjon$b[Norge]$cNasjonalbiblioteket Digital$d2016-08-26
*7760 $tChanging returns to education across cohorts : selection, school system or skills obsolescence?$w990811808534702201
*830 0$aDiscussion papers (Statistisk sentralbyrå. Forskningsavdelingen : trykt utg.)$vno. 302$w999328468404702201$_13976700
*85641$3Fulltekst$uhttps://urn.nb.no/URN:NBN:no-nb_digibok_2016082608170$yNettbiblioteket$zDigital representasjon
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^