000 00382nam a2200169Ia 4500
008 180323s9999 xx 000 0 und d
020 _anil
082 _a510.71
100 _aKumar,Sudhir
245 0 _aTeaching of mathematics
250 _a1st
260 _aNew Delhi
_bnew delhi
_c2006
300 _a341
500 _a3473
650 _aTeaching - Mathematics
942 _cBOOK
999 _c9280
_d9280