000 00265nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aD K Goyal/ R S Singal
245 0 _aLekhankan ke siddhaant for class XII
260 _aNew Delhi
_bArya Book Depot
_c1990
942 _cBK
999 _c7784
_d7784