000 00268nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aD C Sharma awam anya
245 0 _aSankhayiki ke mool tatva
260 _aBareilly
_bNavneet Prakashan
650 _aMath
942 _cBK
999 _c4744
_d4744