000 00326nam a2200133Ia 4500
100 _aLiebeck, Pamela
020 _a0-14-013488-3
942 _cBK
654 _a
245 _aHow children learn mathematics
_bA guide for parents and teachers
260 _aLondon
_bPenguin Books
_c1984
082 _a372.7
300 _bPb
_a253
999 _c392684
_d392684
041 _aeng