000 00269nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aKULSHRESTHA A.K.
_916410
245 0 _aTEACHING OF MATHEMATICS
260 _bSURYA PUBLICATION
_c2010
300 _a536
942 _cBK
999 _c113862
_d113862