*0011218140
*008150116s2014    xx#           000 0 nno
*019  $bk
*08230$a510.712
*100  $aHals, Sigbjørn$4aut$_135928900
*245  $aLærer elevane matematikk i mattetimane?
*300  $aS. 20-25
*650  $aMatematikk$2norart$_10568000
*650  $aundervisning$2norart$_10435100
*650  $avideregående skoler$9nor$2norart$_128923200
*773  $tTangenten$g[Årg. 25, suppl.] (2014)$x0802-8192$w(NO-LaBS)552650(tnr)
*999  $z1500571693$anorart:1500571693
^