000 00269nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aJAYENDRA SHEKHAR GUPTA
_916684
245 0 _aMATHMETICS TEACHING
260 _bSHRI KAVITA PUB
_c2009
300 _a248
942 _cBK
999 _c114247
_d114247