000 00261nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aO P Gupta/ V K Aggarwal
245 0 _aLekhankan ke siddhaant for class XII
260 _aAgra
_bSahitya Bhawan
_c1988
942 _cBK
999 _c7842
_d7842