000 00347nam a2200145Ia 4500
100 _aLiebeck, Pamela
020 _a0-14-013488-3
365 _b275
942 _cBK
654 _a
245 _aHow children learn mathematics
_bA guide for parents and teachers
260 _aLondon
_bPenguin Books
_c1990
082 _a375.51
300 _bPb
_a253
999 _c392683
_d392683
041 _aeng