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040 _c0
082 _aDPer 370.15 J826 January - February 2020 v112 no. 1-2
100 _aTräff, Ulf.
_eauthor.
_947889
245 _aKindergarten domain-specific and domain-general cognitive precursors of hierarchial mathematical development :
_bA Longitudinal Study /
_cUlf Träff, Linda Olsson, Kenny Skagelund, and Rickard Östergen
260 _aWashington,
_bAmerican Psychological Association,
_cJanuary 2020.
300 _avolume 112, pages 93-109, illustration.
650 _aMathematics.
_947890
650 0 _aArithmetic.
_922690
650 _aCounting.
_947891
700 _aTräff, Ulf.
_eauthor.
_947889
700 _aOlsson, Linda.
_eauthor.
_947892
700 _aSkagelund, Kenny.
_eauthor.
_947893
700 _aÖstergen, Rickard .
_eauthor.
_947894
942 _2ddc
_cPER