000 00429nam a2200157Ia 4500
008 240819s9999 xx 000 0 und d
020 _a9781774077207
040 _aNORSU-Dum
_cNORSU-Dum
082 _aFil/372.21/Y2/2021
100 _aAlberto D. Yazon
245 0 _aInnovative approaches in early childhood mathematics
260 _bBurlington, ON: Society Publishing
_c2021
942 _cBK
942 _yBK
999 _c51684
_d51684