000 00304nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9781913622152
082 _a372.7MAC
100 _aMackle Kieran
245 0 _aThinking deeply about primary mathematics
260 _bJohn Catt
_c2020
942 _cBK
999 _c477694
_d477694