000 00269nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS C Sharma/ R C Jain
245 0 _aVyavasaik sankhyiki
260 _aNew Delhi
_bAvichal Pub Co
_c1999
650 _aMath
942 _cBK
999 _c10237
_d10237