000 00258nam a2200109Ia 4500
008 160921s9999 xx 000 0 und d
100 _aGUPTA JAYENDRA SHEKHAR
245 _aMATHEMATICS TEACHING
260 _bSHRI KAVITA PUB.
300 _a248
942 _cBK
999 _c32641
_d32641