000 00281nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aEdiger, Marlow
245 0 _aTeaching MathematicsIn Elementary Schools
260 _aNew Delhi
_bDiscovery
_c2003
300 _a295p.
942 _cBK
999 _c13270
_d13270