000 00351nam a2200109Ia 4500
008 231004s9999 xx 000 0 und d
020 _a0-1955-4099-9
090 _a372.704 SUL
100 0 _aPeter Sullivan, Pat Lilburn
245 0 0 _aOpen-ended maths activities : using good questions to enhance learning
260 _aOxford University Press
_bNew York
_c1997
999 _c3612
_d3612