*0011597178
*008920724s1992    xx#           000 0 eng
*019  $bk
*08230$a370.193
*100  $aUndheim, Johan Olav$_162808700
*245  $aSocio-economic factors and sex differences in an egalitarian educational system: academic achievement in 16-year-old Norwegian students$cJohan Olav Undheim & Hilmar Nordvik
*300  $aS. 87-98
*700  $aNordvik, Hilmar$_121803100
*773  $tScandinavian journal of educational research$gVol. 36, no. 2 (1992)$x0031-3831$w(NO-LaBS)298121(tnr)
*8564 $uhttps://doi.org/10.1080/0031383920360201
*999  $z9200145064$anorart:9200145064
^