*0011526108
*008871201s1987    xx#           000 0 eng
*019  $bk
*08230$a300.71
*100  $aSigrun Gudmundsdottir$_133233500
*245  $aPedagogical content knowledge in social studies$cSigrun Gudmundsdottir & Lee Shulman
*300  $aS. [59]-70
*700  $aShulman, Lee$_164587900
*773  $tScandinavian journal of educational research$gVol. 31, no. 2 (1987)$x0031-3831$w(NO-LaBS)298121(tnr)
*8564 $uhttps://doi.org/10.1080/0031383870310201
*999  $z8700093351$anorart:8700093351
^