000 00339nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aGudhir Kumar
245 0 _aTeaching of Mathematics
250 _a2nd Ed
260 _aNew Delhi
260 _bwishwa prakashan
260 _c1994
650 _aTeaching of Mathematics
942 _cBK
999 _c16445
_d16445