00540nam a2200157Ia 4500008004100000020001800041040002500059082002300084100002100107245005700128260004500185942000700230942000700237952012100244999001700365240819s9999    xx            000 0 und d  a9781774077207  aNORSU-DumcNORSU-Dum  aFil/372.21/Y2/2021  aAlberto D. Yazon 0aInnovative approaches in early childhood mathematics  bBurlington, ON: Society Publishingc2021  cBK  yBK  00104070aNORSU-DumbNORSU-DumcFILd2024-08-19l0oFil/372.21/Y2/2021pNORSU000026588r2024-08-19w2024-08-19yBK  c51684d51684