000 00277nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aParamanand Gupta
245 0 _aComprehensive mathematics for class XI
260 _aNew Delhi
_bLaxmi Pub
_c1993
650 _aMath
942 _cBK
999 _c8487
_d8487